! Started logfile: J0538-4405_X_1998_10_01_pus_uvs.log on Wed Feb 6 12:24:59 2008 obs J0538-4405_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0538-4405_X_1998_10_01_pus_uva.fits ! AN table 1: 19 integrations on 136 of 136 possible baselines. ! AN table 2: 51 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0879202 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2049 lines of history. ! ! Reading 3348 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0538-4405_X_1998_10_01_pus] 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 323 telescope corrections were flagged in sub-array 1. ! A total of 625 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 625 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 625 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 625 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.239165Jy sigma=0.011288 ! Fit after self-cal, rms=1.116091Jy sigma=0.010671 ! 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% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.5741 mas, bmaj=1.895 mas, bpa=-10.41 degrees ! Estimated noise=2709.14 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 = 1.4006 Jy ! Component: 100 - total flux cleaned = 1.76142 Jy ! Total flux subtracted in 100 components = 1.76142 Jy ! Clean residual min=-0.124300 max=0.189582 Jy/beam ! Clean residual mean=0.003511 rms=0.049240 Jy/beam ! Combined flux in latest and established models = 1.76142 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.76142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.572938Jy sigma=0.005391 ! Fit after self-cal, rms=0.572559Jy sigma=0.005389 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7731 mas, bmaj=2.224 mas, bpa=-10.66 degrees ! Estimated noise=1458.82 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 = 0.353934 Jy ! Component: 100 - total flux cleaned = 0.521422 Jy ! Component: 150 - total flux cleaned = 0.602253 Jy ! Component: 200 - total flux cleaned = 0.641316 Jy ! Total flux subtracted in 200 components = 0.641316 Jy ! Clean residual min=-0.048765 max=0.123711 Jy/beam ! Clean residual mean=0.005580 rms=0.030880 Jy/beam ! Combined flux in latest and established models = 2.40274 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 21 components and 2.40274 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.383616Jy sigma=0.003054 ! Fit after self-cal, rms=0.383768Jy sigma=0.003052 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 1.00 MK 1.01 ! NL 1.00* NY 1.00* ON 1.00* OV 1.05 ! PT 0.97 SC 0.99 WF 1.00* MC 1.00* ! GN 1.34 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.95 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* OV 1.06 ! PT 0.97 SC 0.99 WF 1.00* MC 1.00* ! GN 1.34 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* HN 1.00* ! KK 1.00* KP 0.99 LA 0.95 MK 1.02 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 0.98 SC 0.98 WF 1.00* MC 1.00* ! GN 1.34 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WF 0.00* MC 0.00* ! GN 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.97 MK 0.98 ! NL 1.00* NY 1.00* ON 1.00* OV 1.03 ! PT 0.93 SC 0.97 WF 1.00* MC 1.00* ! GN 1.31 ! ! ! Fit before self-cal, rms=0.383768Jy sigma=0.003052 ! Fit after self-cal, rms=0.324353Jy sigma=0.002451 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7804 mas, bmaj=2.208 mas, bpa=-10.6 degrees ! Estimated noise=1458.02 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (1.6, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0497505 Jy ! Component: 100 - total flux cleaned = 0.0490311 Jy ! Component: 150 - total flux cleaned = 0.0493871 Jy ! Component: 200 - total flux cleaned = 0.0493979 Jy ! Total flux subtracted in 200 components = 0.0493979 Jy ! Clean residual min=-0.018828 max=0.021451 Jy/beam ! Clean residual mean=-0.000327 rms=0.005395 Jy/beam ! Combined flux in latest and established models = 2.45214 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 34 components and 2.45214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.315616Jy sigma=0.002384 ! Fit after self-cal, rms=0.315614Jy sigma=0.002380 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.315614Jy sigma=0.002380 ! Fit after self-cal, rms=0.310446Jy sigma=0.002373 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7764 mas, bmaj=2.197 mas, bpa=-10.47 degrees ! Estimated noise=1449.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144983 Jy ! Component: 100 - total flux cleaned = 0.0151845 Jy ! Component: 150 - total flux cleaned = 0.0154803 Jy ! Component: 200 - total flux cleaned = 0.0157434 Jy ! Total flux subtracted in 200 components = 0.0157434 Jy ! Clean residual min=-0.015201 max=0.014213 Jy/beam ! Clean residual mean=-0.000246 rms=0.004179 Jy/beam ! Combined flux in latest and established models = 2.46788 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 46 components and 2.46788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309192Jy sigma=0.002366 ! Fit after self-cal, rms=0.309017Jy sigma=0.002365 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 = 0.00278445 Jy ! Component: 100 - total flux cleaned = 0.00320605 Jy ! Component: 150 - total flux cleaned = 0.00339765 Jy ! Component: 200 - total flux cleaned = 0.00340384 Jy ! Total flux subtracted in 200 components = 0.00340384 Jy ! Clean residual min=-0.015544 max=0.012407 Jy/beam ! Clean residual mean=-0.000321 rms=0.004009 Jy/beam ! Combined flux in latest and established models = 2.47128 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 56 components and 2.47128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308564Jy sigma=0.002363 ! Fit after self-cal, rms=0.308516Jy sigma=0.002363 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.308516Jy sigma=0.002363 ! Fit after self-cal, rms=0.306968Jy sigma=0.002361 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7751 mas, bmaj=2.194 mas, bpa=-10.44 degrees ! Estimated noise=1447.49 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00595803 Jy ! Component: 100 - total flux cleaned = 0.00678961 Jy ! Component: 150 - total flux cleaned = 0.00717397 Jy ! Component: 200 - total flux cleaned = 0.00771977 Jy ! Total flux subtracted in 200 components = 0.00771977 Jy ! Clean residual min=-0.013827 max=0.011221 Jy/beam ! Clean residual mean=-0.000205 rms=0.003673 Jy/beam ! Combined flux in latest and established models = 2.479 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 64 components and 2.479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306534Jy sigma=0.002359 ! Fit after self-cal, rms=0.306482Jy sigma=0.002359 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 = 0.00146108 Jy ! Component: 100 - total flux cleaned = 0.0017914 Jy ! Component: 150 - total flux cleaned = 0.00210336 Jy ! Component: 200 - total flux cleaned = 0.0024098 Jy ! Total flux subtracted in 200 components = 0.0024098 Jy ! Clean residual min=-0.013952 max=0.010733 Jy/beam ! Clean residual mean=-0.000267 rms=0.003592 Jy/beam ! Combined flux in latest and established models = 2.48141 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 2.48141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306227Jy sigma=0.002358 ! Fit after self-cal, rms=0.306218Jy sigma=0.002358 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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=0.306218Jy sigma=0.002358 ! Fit after self-cal, rms=0.305748Jy sigma=0.002358 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.653 mas, bmaj=9.588 mas, bpa=-2.306 degrees ! Estimated noise=1830.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00645581 Jy ! Component: 100 - total flux cleaned = 0.00646624 Jy ! Component: 150 - total flux cleaned = 0.00659935 Jy ! Component: 200 - total flux cleaned = 0.0065863 Jy ! Total flux subtracted in 200 components = 0.0065863 Jy ! Clean residual min=-0.013053 max=0.007573 Jy/beam ! Clean residual mean=-0.000456 rms=0.004522 Jy/beam ! Combined flux in latest and established models = 2.488 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 70 components and 2.488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305691Jy sigma=0.002358 ! Fit after self-cal, rms=0.305647Jy sigma=0.002357 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 = 0.000686329 Jy ! Component: 100 - total flux cleaned = 0.000676093 Jy ! Component: 150 - total flux cleaned = 0.000802808 Jy ! Component: 200 - total flux cleaned = 0.000798165 Jy ! Total flux subtracted in 200 components = 0.000798165 Jy ! Clean residual min=-0.013211 max=0.006943 Jy/beam ! Clean residual mean=-0.000491 rms=0.004553 Jy/beam ! Combined flux in latest and established models = 2.4888 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 72 components and 2.4888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.305597Jy sigma=0.002357 ! Fit after self-cal, rms=0.305568Jy sigma=0.002357 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7746 mas, bmaj=2.193 mas, bpa=-10.44 degrees ! Estimated noise=1447.58 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7746 x 2.193 at -10.44 degrees (North through East) ! Clean map min=-0.02355 max=1.8962 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=0.305568Jy sigma=0.002357 ! Fit after self-cal, rms=0.279346Jy sigma=0.002082 ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7741 mas, bmaj=2.191 mas, bpa=-10.35 degrees ! Estimated noise=1446.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000819881 Jy ! Component: 100 - total flux cleaned = 0.000814194 Jy ! Component: 150 - total flux cleaned = 0.000960486 Jy ! Component: 200 - total flux cleaned = 0.00108638 Jy ! Total flux subtracted in 200 components = 0.00108638 Jy ! Clean residual min=-0.011747 max=0.009830 Jy/beam ! Clean residual mean=-0.000124 rms=0.003142 Jy/beam ! Combined flux in latest and established models = 2.48988 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 84 components and 2.48989 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279073Jy sigma=0.002081 ! Fit after self-cal, rms=0.279073Jy sigma=0.002081 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000517987 Jy ! Component: 100 - total flux cleaned = 0.000745018 Jy ! Component: 150 - total flux cleaned = 0.000749275 Jy ! Component: 200 - total flux cleaned = 0.000854849 Jy ! Total flux subtracted in 200 components = 0.000854849 Jy ! Clean residual min=-0.011627 max=0.009701 Jy/beam ! Clean residual mean=-0.000154 rms=0.003085 Jy/beam ! Combined flux in latest and established models = 2.49074 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 89 components and 2.49074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278959Jy sigma=0.002080 ! Fit after self-cal, rms=0.278961Jy sigma=0.002080 ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278961Jy sigma=0.002080 ! Fit after self-cal, rms=0.278756Jy sigma=0.002080 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 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.5739 mas, bmaj=1.858 mas, bpa=-10.01 degrees ! Estimated noise=2763.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.42867 Jy ! Component: 100 - total flux cleaned = 1.81131 Jy ! Component: 150 - total flux cleaned = 2.00383 Jy ! Component: 200 - total flux cleaned = 2.12829 Jy ! Total flux subtracted in 200 components = 2.12829 Jy ! Clean residual min=-0.049860 max=0.072419 Jy/beam ! Clean residual mean=0.001346 rms=0.021298 Jy/beam ! Combined flux in latest and established models = 2.12828 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 19 model components to the UV plane model. ! The established model now contains 19 components and 2.12828 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7739 mas, bmaj=2.191 mas, bpa=-10.38 degrees ! Estimated noise=1446.25 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 = 0.154184 Jy ! Component: 100 - total flux cleaned = 0.234326 Jy ! Component: 150 - total flux cleaned = 0.281517 Jy ! Component: 200 - total flux cleaned = 0.310577 Jy ! Total flux subtracted in 200 components = 0.310577 Jy ! Clean residual min=-0.016605 max=0.022634 Jy/beam ! Clean residual mean=0.001010 rms=0.007635 Jy/beam ! Combined flux in latest and established models = 2.43886 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 54 components and 2.43886 Jy ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 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 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=2.649 mas, bmaj=9.61 mas, bpa=-2.333 degrees ! Estimated noise=1831.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0282124 Jy ! Component: 100 - total flux cleaned = 0.0377573 Jy ! Component: 150 - total flux cleaned = 0.0392447 Jy ! Component: 200 - total flux cleaned = 0.0402368 Jy ! Total flux subtracted in 200 components = 0.0402368 Jy ! Clean residual min=-0.012538 max=0.012095 Jy/beam ! Clean residual mean=0.000264 rms=0.005876 Jy/beam ! Combined flux in latest and established models = 2.4791 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 = 0.00117618 Jy ! Component: 100 - total flux cleaned = 0.00194832 Jy ! Component: 150 - total flux cleaned = 0.00285965 Jy ! Component: 200 - total flux cleaned = 0.00365161 Jy ! Total flux subtracted in 200 components = 0.00365161 Jy ! Clean residual min=-0.010253 max=0.008747 Jy/beam ! Clean residual mean=0.000017 rms=0.004663 Jy/beam ! Combined flux in latest and established models = 2.48275 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 64 components and 2.48275 Jy ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! Estimated beam: bmin=0.7739 mas, bmaj=2.191 mas, bpa=-10.38 degrees ! Estimated noise=1446.25 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00185303 Jy ! Component: 100 - total flux cleaned = -0.002425 Jy ! Component: 150 - total flux cleaned = -0.001933 Jy ! Component: 200 - total flux cleaned = -0.0014885 Jy ! Total flux subtracted in 200 components = -0.0014885 Jy ! Clean residual min=-0.012630 max=0.012096 Jy/beam ! Clean residual mean=0.000053 rms=0.003569 Jy/beam ! Combined flux in latest and established models = 2.48126 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 83 components and 2.48126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279599Jy sigma=0.002086 ! Fit after self-cal, rms=0.279232Jy sigma=0.002085 wmodel J0538-4405_X_1998_10_01_pus_map.mod ! Writing 83 model components to file: J0538-4405_X_1998_10_01_pus_map.mod wobs J0538-4405_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0538-4405_X_1998_10_01_pus_uvs.fits wwins J0538-4405_X_1998_10_01_pus_map.win ! wwins: Wrote 2 windows to J0538-4405_X_1998_10_01_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 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000606674 Jy ! Component: 100 - total flux cleaned = 0.00100442 Jy ! Component: 150 - total flux cleaned = 0.0001357 Jy ! Component: 200 - total flux cleaned = -0.000490537 Jy ! Component: 250 - total flux cleaned = -0.00106001 Jy ! Component: 300 - total flux cleaned = -0.00119159 Jy ! Component: 350 - total flux cleaned = -0.000604733 Jy ! Component: 400 - total flux cleaned = 5.51604e-05 Jy ! Component: 450 - total flux cleaned = 0.000878979 Jy ! Component: 500 - total flux cleaned = 0.00146622 Jy ! Component: 550 - total flux cleaned = 0.00174838 Jy ! Component: 600 - total flux cleaned = 0.00175272 Jy ! Component: 650 - total flux cleaned = 0.00210675 Jy ! Component: 700 - total flux cleaned = 0.00202179 Jy ! Component: 750 - total flux cleaned = 0.00185888 Jy ! Component: 800 - total flux cleaned = 0.00169781 Jy ! Component: 850 - total flux cleaned = 0.00169876 Jy ! Component: 900 - total flux cleaned = 0.0014688 Jy ! Component: 950 - total flux cleaned = 0.00139753 Jy ! Component: 1000 - total flux cleaned = 0.00132506 Jy ! Total flux subtracted in 1024 components = 0.00118273 Jy ! Clean residual min=-0.003861 max=0.003747 Jy/beam ! Clean residual mean=-0.000004 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 2.48244 Jy keep ! Adding 44 model components to the UV plane model. ! The established model now contains 127 components and 2.48245 Jy ![Exited script file: muppet] wmap "J0538-4405_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7739 x 2.191 at -10.38 degrees (North through East) ! Clean map min=-0.018328 max=1.9078 Jy/beam ! Writing clean map to FITS file: J0538-4405_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.90778 invert ! Inverting map ! Your choice of large map pixels excluded 1% of the data. ! The x-axis pixel size should ideally be below 0.1994 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00145799 device "J0538-4405_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0538-4405_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.229269 0.229269 0.458539 0.917078 1.83416 3.66831 7.33662 14.6732 29.3465 58.693 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0043 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.907 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7739 x 2.191 at -10.38 degrees (North through East) ! Clean map min=-0.018328 max=1.9078 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0538-4405_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0538-4405_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0538-4405_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 12:25:01 2008