! Started logfile: J0922-3959_X_1998_10_01_pus_uvs.log on Wed Feb 6 12:27:54 2008 obs J0922-3959_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0922-3959_X_1998_10_01_pus_uva.fits ! AN table 1: 42 integrations on 136 of 136 possible baselines. ! AN table 2: 19 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.124638 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0922-3959 ! ! 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 4136 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 J0922-3959_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 418 telescope corrections were flagged in sub-array 1. ! A total of 323 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 418 telescope corrections were flagged in sub-array 1. ! A total of 323 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 418 telescope corrections were flagged in sub-array 1. ! A total of 323 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 418 telescope corrections were flagged in sub-array 1. ! A total of 323 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.691053Jy sigma=0.006070 ! Fit after self-cal, rms=0.497811Jy sigma=0.004842 ! 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 2.12% of the data. ! The x-axis pixel size should ideally be below 0.1951 milli-arcsec ! Estimated beam: bmin=0.5962 mas, bmaj=1.902 mas, bpa=-10.6 degrees ! Estimated noise=1728.86 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 = 1.01339 Jy ! Component: 100 - total flux cleaned = 1.25117 Jy ! Total flux subtracted in 100 components = 1.25117 Jy ! Clean residual min=-0.053243 max=0.103019 Jy/beam ! Clean residual mean=0.004587 rms=0.027830 Jy/beam ! Combined flux in latest and established models = 1.25117 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 1.25117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368437Jy sigma=0.003445 ! Fit after self-cal, rms=0.368417Jy sigma=0.003445 ! Inverting map ! Your choice of large map pixels excluded 2.12% of the data. ! The x-axis pixel size should ideally be below 0.1951 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 2.12% of the data. ! The x-axis pixel size should ideally be below 0.1951 milli-arcsec ! Estimated beam: bmin=0.7278 mas, bmaj=2.061 mas, bpa=-11.58 degrees ! Estimated noise=1248.75 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 = 0.17432 Jy ! Component: 100 - total flux cleaned = 0.260796 Jy ! Component: 150 - total flux cleaned = 0.306817 Jy ! Component: 200 - total flux cleaned = 0.332294 Jy ! Total flux subtracted in 200 components = 0.332294 Jy ! Clean residual min=-0.029883 max=0.052269 Jy/beam ! Clean residual mean=-0.000513 rms=0.012920 Jy/beam ! Combined flux in latest and established models = 1.58346 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 38 components and 1.58346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300811Jy sigma=0.002570 ! Fit after self-cal, rms=0.300899Jy sigma=0.002569 ! Inverting map ! Your choice of large map pixels excluded 2.12% of the data. ! The x-axis pixel size should ideally be below 0.1951 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.21 KP 0.97 LA 1.00 MK 0.94 ! NL 1.16 NY 1.00* ON 1.00* OV 1.02 ! PT 0.96 SC 1.02 WF 1.00* MC 1.00* ! GN 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 1.24 KP 0.98 LA 0.95 MK 0.93 ! NL 1.15 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SC 1.01 WF 1.00* MC 1.00* ! GN 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GC 1.00* HN 1.00* ! KK 1.23 KP 1.00 LA 0.97 MK 0.97 ! NL 1.14 NY 1.00* ON 1.00* OV 0.96 ! PT 0.98 SC 1.03 WF 1.00* MC 1.00* ! GN 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GC 1.00* HN 1.00* ! KK 1.24 KP 0.98 LA 0.97 MK 0.95 ! NL 1.20 NY 1.00* ON 1.00* OV 0.97 ! PT 0.94 SC 0.98 WF 1.00* MC 1.00* ! GN 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Fit before self-cal, rms=0.300899Jy sigma=0.002569 ! Fit after self-cal, rms=0.285914Jy sigma=0.002312 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.7446 mas, bmaj=2.08 mas, bpa=-11.35 degrees ! Estimated noise=1254.23 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 = -0.00453002 Jy ! Component: 100 - total flux cleaned = -0.00433293 Jy ! Component: 150 - total flux cleaned = -0.0041594 Jy ! Component: 200 - total flux cleaned = -0.00415867 Jy ! Total flux subtracted in 200 components = -0.00415867 Jy ! Clean residual min=-0.011472 max=0.013583 Jy/beam ! Clean residual mean=-0.000475 rms=0.003629 Jy/beam ! Combined flux in latest and established models = 1.57931 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 46 components and 1.57931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285489Jy sigma=0.002311 ! Fit after self-cal, rms=0.285992Jy sigma=0.002310 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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=0.285992Jy sigma=0.002310 ! Fit after self-cal, rms=0.286698Jy sigma=0.002309 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.7462 mas, bmaj=2.083 mas, bpa=-11.33 degrees ! Estimated noise=1255.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00363877 Jy ! Component: 100 - total flux cleaned = -0.00347853 Jy ! Component: 150 - total flux cleaned = -0.0034788 Jy ! Component: 200 - total flux cleaned = -0.00334981 Jy ! Total flux subtracted in 200 components = -0.00334981 Jy ! Clean residual min=-0.011219 max=0.013098 Jy/beam ! Clean residual mean=-0.000327 rms=0.003512 Jy/beam ! Combined flux in latest and established models = 1.57596 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 47 components and 1.57596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286411Jy sigma=0.002308 ! Fit after self-cal, rms=0.286399Jy sigma=0.002308 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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 = 8.20559e-05 Jy ! Component: 100 - total flux cleaned = 0.000196291 Jy ! Component: 150 - total flux cleaned = 0.000308876 Jy ! Component: 200 - total flux cleaned = 0.000412355 Jy ! Total flux subtracted in 200 components = 0.000412355 Jy ! Clean residual min=-0.011240 max=0.012804 Jy/beam ! Clean residual mean=-0.000336 rms=0.003465 Jy/beam ! Combined flux in latest and established models = 1.57637 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 53 components and 1.57637 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286293Jy sigma=0.002308 ! Fit after self-cal, rms=0.286283Jy sigma=0.002308 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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=0.286283Jy sigma=0.002308 ! Fit after self-cal, rms=0.287059Jy sigma=0.002307 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.7477 mas, bmaj=2.085 mas, bpa=-11.31 degrees ! Estimated noise=1257.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00305008 Jy ! Component: 100 - total flux cleaned = -0.00305076 Jy ! Component: 150 - total flux cleaned = -0.00293608 Jy ! Component: 200 - total flux cleaned = -0.00283428 Jy ! Total flux subtracted in 200 components = -0.00283428 Jy ! Clean residual min=-0.011149 max=0.012364 Jy/beam ! Clean residual mean=-0.000181 rms=0.003382 Jy/beam ! Combined flux in latest and established models = 1.57353 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 53 components and 1.57353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286889Jy sigma=0.002307 ! Fit after self-cal, rms=0.286887Jy sigma=0.002307 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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 = 7.00792e-05 Jy ! Component: 100 - total flux cleaned = 7.54191e-05 Jy ! Component: 150 - total flux cleaned = 0.000162054 Jy ! Component: 200 - total flux cleaned = 0.000163119 Jy ! Total flux subtracted in 200 components = 0.000163119 Jy ! Clean residual min=-0.011087 max=0.012131 Jy/beam ! Clean residual mean=-0.000184 rms=0.003347 Jy/beam ! Combined flux in latest and established models = 1.5737 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 54 components and 1.5737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286830Jy sigma=0.002307 ! Fit after self-cal, rms=0.286821Jy sigma=0.002307 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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=0.286821Jy sigma=0.002307 ! Fit after self-cal, rms=0.287443Jy sigma=0.002306 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=2.616 mas, bmaj=9.314 mas, bpa=-4.564 degrees ! Estimated noise=1637.01 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00253723 Jy ! Component: 100 - total flux cleaned = -0.00253815 Jy ! Component: 150 - total flux cleaned = -0.00253932 Jy ! Component: 200 - total flux cleaned = -0.0025405 Jy ! Total flux subtracted in 200 components = -0.0025405 Jy ! Clean residual min=-0.009708 max=0.013329 Jy/beam ! Clean residual mean=-0.000205 rms=0.004817 Jy/beam ! Combined flux in latest and established models = 1.57116 Jy selfcal ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 55 components and 1.57116 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287470Jy sigma=0.002306 ! Fit after self-cal, rms=0.287453Jy sigma=0.002306 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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 = 0.000105014 Jy ! Component: 100 - total flux cleaned = 9.81432e-05 Jy ! Component: 150 - total flux cleaned = 9.95374e-05 Jy ! Component: 200 - total flux cleaned = 0.000117065 Jy ! Total flux subtracted in 200 components = 0.000117064 Jy ! Clean residual min=-0.009792 max=0.013228 Jy/beam ! Clean residual mean=-0.000215 rms=0.004821 Jy/beam ! Combined flux in latest and established models = 1.57127 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 55 components and 1.57127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287488Jy sigma=0.002307 ! Fit after self-cal, rms=0.287470Jy sigma=0.002307 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.7488 mas, bmaj=2.088 mas, bpa=-11.3 degrees ! Estimated noise=1258.26 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7488 x 2.088 at -11.3 degrees (North through East) ! Clean map min=-0.010284 max=1.3132 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=0.287470Jy sigma=0.002307 ! Fit after self-cal, rms=0.269248Jy sigma=0.002113 ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.7493 mas, bmaj=2.09 mas, bpa=-11.39 degrees ! Estimated noise=1257.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00201373 Jy ! Component: 100 - total flux cleaned = -0.00211841 Jy ! Component: 150 - total flux cleaned = -0.00202796 Jy ! Component: 200 - total flux cleaned = -0.0021138 Jy ! Total flux subtracted in 200 components = -0.0021138 Jy ! Clean residual min=-0.010765 max=0.011655 Jy/beam ! Clean residual mean=0.000060 rms=0.003255 Jy/beam ! Combined flux in latest and established models = 1.56916 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 1.56916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269160Jy sigma=0.002113 ! Fit after self-cal, rms=0.269152Jy sigma=0.002113 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.64454e-05 Jy ! Component: 100 - total flux cleaned = 6.9718e-05 Jy ! Component: 150 - total flux cleaned = 6.97841e-05 Jy ! Component: 200 - total flux cleaned = 7.28405e-05 Jy ! Total flux subtracted in 200 components = 7.28405e-05 Jy ! Clean residual min=-0.010716 max=0.011401 Jy/beam ! Clean residual mean=0.000058 rms=0.003221 Jy/beam ! Combined flux in latest and established models = 1.56923 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 1.56923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269113Jy sigma=0.002113 ! Fit after self-cal, rms=0.269105Jy sigma=0.002113 ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269105Jy sigma=0.002113 ! Fit after self-cal, rms=0.269516Jy sigma=0.002113 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.6019 mas, bmaj=1.905 mas, bpa=-10.24 degrees ! Estimated noise=1794.73 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.04505 Jy ! Component: 100 - total flux cleaned = 1.28359 Jy ! Component: 150 - total flux cleaned = 1.39052 Jy ! Component: 200 - total flux cleaned = 1.45233 Jy ! Total flux subtracted in 200 components = 1.45233 Jy ! Clean residual min=-0.015121 max=0.031244 Jy/beam ! Clean residual mean=0.001458 rms=0.008520 Jy/beam ! Combined flux in latest and established models = 1.45233 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.45233 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.75 mas, bmaj=2.092 mas, bpa=-11.38 degrees ! Estimated noise=1258.42 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 = 0.052132 Jy ! Component: 100 - total flux cleaned = 0.077132 Jy ! Component: 150 - total flux cleaned = 0.0902387 Jy ! Component: 200 - total flux cleaned = 0.0973354 Jy ! Total flux subtracted in 200 components = 0.0973354 Jy ! Clean residual min=-0.008609 max=0.012917 Jy/beam ! Clean residual mean=0.000480 rms=0.003366 Jy/beam ! Combined flux in latest and established models = 1.54967 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 52 components and 1.54967 Jy ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=2.617 mas, bmaj=9.336 mas, bpa=-4.593 degrees ! Estimated noise=1633.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00824492 Jy ! Component: 100 - total flux cleaned = 0.00936611 Jy ! Component: 150 - total flux cleaned = 0.00955956 Jy ! Component: 200 - total flux cleaned = 0.00965916 Jy ! Total flux subtracted in 200 components = 0.00965916 Jy ! Clean residual min=-0.007926 max=0.013479 Jy/beam ! Clean residual mean=0.000572 rms=0.004646 Jy/beam ! Combined flux in latest and established models = 1.55933 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 = 0.000182729 Jy ! Component: 100 - total flux cleaned = 0.000266508 Jy ! Component: 150 - total flux cleaned = 0.000439418 Jy ! Component: 200 - total flux cleaned = 0.000520619 Jy ! Total flux subtracted in 200 components = 0.000520619 Jy ! Clean residual min=-0.007663 max=0.013398 Jy/beam ! Clean residual mean=0.000547 rms=0.004554 Jy/beam ! Combined flux in latest and established models = 1.55985 Jy ! Adding 3 model components to the UV plane model. ! The established model now contains 53 components and 1.55985 Jy ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! Estimated beam: bmin=0.75 mas, bmaj=2.092 mas, bpa=-11.38 degrees ! Estimated noise=1258.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00342783 Jy ! Component: 100 - total flux cleaned = -0.00280906 Jy ! Component: 150 - total flux cleaned = -0.00220876 Jy ! Component: 200 - total flux cleaned = -0.00187857 Jy ! Total flux subtracted in 200 components = -0.00187857 Jy ! Clean residual min=-0.008388 max=0.010999 Jy/beam ! Clean residual mean=0.000309 rms=0.003002 Jy/beam ! Combined flux in latest and established models = 1.55797 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 53 components and 1.55797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269162Jy sigma=0.002111 ! Fit after self-cal, rms=0.269074Jy sigma=0.002111 wmodel J0922-3959_X_1998_10_01_pus_map.mod ! Writing 53 model components to file: J0922-3959_X_1998_10_01_pus_map.mod wobs J0922-3959_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0922-3959_X_1998_10_01_pus_uvs.fits wwins J0922-3959_X_1998_10_01_pus_map.win ! wwins: Wrote 1 windows to J0922-3959_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 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00428162 Jy ! Component: 100 - total flux cleaned = 0.00569413 Jy ! Component: 150 - total flux cleaned = 0.00597504 Jy ! Component: 200 - total flux cleaned = 0.00622895 Jy ! Component: 250 - total flux cleaned = 0.00646075 Jy ! Component: 300 - total flux cleaned = 0.00679283 Jy ! Component: 350 - total flux cleaned = 0.00742514 Jy ! Component: 400 - total flux cleaned = 0.00792833 Jy ! Component: 450 - total flux cleaned = 0.00832031 Jy ! Component: 500 - total flux cleaned = 0.00869779 Jy ! Component: 550 - total flux cleaned = 0.00896947 Jy ! Component: 600 - total flux cleaned = 0.00923221 Jy ! Component: 650 - total flux cleaned = 0.00948614 Jy ! Component: 700 - total flux cleaned = 0.0097337 Jy ! Component: 750 - total flux cleaned = 0.0101303 Jy ! Component: 800 - total flux cleaned = 0.0102834 Jy ! Component: 850 - total flux cleaned = 0.0107345 Jy ! Component: 900 - total flux cleaned = 0.01088 Jy ! Component: 950 - total flux cleaned = 0.0108792 Jy ! Component: 1000 - total flux cleaned = 0.0108102 Jy ! Total flux subtracted in 1024 components = 0.0108111 Jy ! Clean residual min=-0.003460 max=0.004186 Jy/beam ! Clean residual mean=0.000094 rms=0.001422 Jy/beam ! Combined flux in latest and established models = 1.56878 Jy keep ! Adding 47 model components to the UV plane model. ! The established model now contains 100 components and 1.56878 Jy ![Exited script file: muppet] wmap "J0922-3959_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.75 x 2.092 at -11.38 degrees (North through East) ! Clean map min=-0.0076952 max=1.3442 Jy/beam ! Writing clean map to FITS file: J0922-3959_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 1.34424 invert ! Inverting map ! Your choice of large map pixels excluded 1.77% of the data. ! The x-axis pixel size should ideally be below 0.1952 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00142037 device "J0922-3959_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0922-3959_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.31699 0.31699 0.63398 1.26796 2.53592 5.07184 10.1437 20.2874 40.5747 81.1494 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0042 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.344 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.75 x 2.092 at -11.38 degrees (North through East) ! Clean map min=-0.0076952 max=1.3442 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0922-3959_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0922-3959_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0922-3959_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 12:27:56 2008