! Started logfile: J0457-2324_X_1998_10_01_pus_uvs.log on Wed Feb 6 14:51:43 2008 obs J0457-2324_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_1998_10_01_pus_uva.fits ! AN table 1: 19 integrations on 136 of 136 possible baselines. ! AN table 2: 220 integrations on 136 of 136 possible baselines. ! AN table 3: 33 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.122162 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40798e+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 2053 lines of history. ! ! Reading 18076 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 J0457-2324_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 2584 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2584 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2585 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 323 telescope corrections were flagged in sub-array 1. ! A total of 2584 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.900834Jy sigma=0.008978 ! Fit after self-cal, rms=0.840868Jy sigma=0.008487 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.102% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.6297 mas, bmaj=1.776 mas, bpa=-5.113 degrees ! Estimated noise=996.62 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 = 1.29311 Jy ! Component: 100 - total flux cleaned = 1.62655 Jy ! Total flux subtracted in 100 components = 1.62655 Jy ! Clean residual min=-0.039887 max=0.138542 Jy/beam ! Clean residual mean=0.001293 rms=0.016010 Jy/beam ! Combined flux in latest and established models = 1.62655 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.62655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.403090Jy sigma=0.003848 ! Fit after self-cal, rms=0.403127Jy sigma=0.003848 ! Inverting map ! Your choice of large map pixels excluded 0.102% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.152014 Jy ! Component: 100 - total flux cleaned = 0.233793 Jy ! Total flux subtracted in 100 components = 0.233793 Jy ! Clean residual min=-0.027716 max=0.044067 Jy/beam ! Clean residual mean=0.000421 rms=0.008952 Jy/beam ! Combined flux in latest and established models = 1.86034 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 1.86034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333694Jy sigma=0.002880 ! Fit after self-cal, rms=0.333688Jy sigma=0.002879 ! Inverting map ! Your choice of large map pixels excluded 0.102% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.102% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8123 mas, bmaj=2.231 mas, bpa=-8.817 degrees ! Estimated noise=579.02 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 = 0.0699172 Jy ! Component: 100 - total flux cleaned = 0.100599 Jy ! Component: 150 - total flux cleaned = 0.115201 Jy ! Component: 200 - total flux cleaned = 0.122792 Jy ! Total flux subtracted in 200 components = 0.122792 Jy ! Clean residual min=-0.021488 max=0.037767 Jy/beam ! Clean residual mean=-0.001979 rms=0.008051 Jy/beam ! Combined flux in latest and established models = 1.98313 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 37 components and 1.98313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.328454Jy sigma=0.002666 ! Fit after self-cal, rms=0.328451Jy sigma=0.002666 ! Inverting map ! Your choice of large map pixels excluded 0.102% of the data. ! The x-axis pixel size should ideally be below 0.1995 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* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.00 GC 1.00* HN 0.99 ! KK 1.06 KP 0.96 LA 1.00 MK 0.97 ! NL 1.05 NY 1.00* ON 1.00* OV 0.99 ! PT 1.00 SC 1.01 WF 1.10 MC 1.00* ! GN 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! 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. ! 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* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00 GC 1.00* HN 1.04 ! KK 1.06 KP 0.98 LA 0.95 MK 0.96 ! NL 1.07 NY 1.00* ON 1.00* OV 0.98 ! PT 0.99 SC 1.00 WF 1.12 MC 1.00* ! GN 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! 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. ! 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* ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HN 1.00 ! KK 1.05 KP 0.99 LA 0.96 MK 1.02 ! NL 1.05 NY 1.00* ON 1.00* OV 0.95 ! PT 1.00 SC 1.03 WF 1.15 MC 1.00* ! GN 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! 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. ! 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* ! ! A total of 84 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 GC 1.00* HN 1.05 ! KK 1.05 KP 0.98 LA 0.97 MK 0.97 ! NL 1.07 NY 1.00* ON 1.00* OV 0.97 ! PT 0.96 SC 1.00 WF 1.14 MC 1.00* ! GN 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! 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=0.328451Jy sigma=0.002666 ! Fit after self-cal, rms=0.321874Jy sigma=0.002503 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8143 mas, bmaj=2.229 mas, bpa=-8.767 degrees ! Estimated noise=581.209 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 = -0.00870972 Jy ! Component: 100 - total flux cleaned = -0.0102089 Jy ! Component: 150 - total flux cleaned = -0.010479 Jy ! Component: 200 - total flux cleaned = -0.0105824 Jy ! Total flux subtracted in 200 components = -0.0105824 Jy ! Clean residual min=-0.018042 max=0.022096 Jy/beam ! Clean residual mean=-0.001403 rms=0.005282 Jy/beam ! Combined flux in latest and established models = 1.97255 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 1.97255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321426Jy sigma=0.002503 ! Fit after self-cal, rms=0.321726Jy sigma=0.002502 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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=0.321726Jy sigma=0.002502 ! Fit after self-cal, rms=0.309952Jy sigma=0.002354 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8132 mas, bmaj=2.237 mas, bpa=-8.736 degrees ! Estimated noise=580.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0035775 Jy ! Component: 100 - total flux cleaned = -0.00346298 Jy ! Component: 150 - total flux cleaned = -0.00336251 Jy ! Component: 200 - total flux cleaned = -0.00326579 Jy ! Total flux subtracted in 200 components = -0.00326579 Jy ! Clean residual min=-0.006613 max=0.006992 Jy/beam ! Clean residual mean=-0.000122 rms=0.001932 Jy/beam ! Combined flux in latest and established models = 1.96928 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 1.96929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309849Jy sigma=0.002353 ! Fit after self-cal, rms=0.309926Jy sigma=0.002352 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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 = -0.000305222 Jy ! Component: 100 - total flux cleaned = -0.000128576 Jy ! Component: 150 - total flux cleaned = -4.69825e-05 Jy ! Component: 200 - total flux cleaned = 0.000108291 Jy ! Total flux subtracted in 200 components = 0.000108291 Jy ! Clean residual min=-0.006664 max=0.006975 Jy/beam ! Clean residual mean=-0.000127 rms=0.001919 Jy/beam ! Combined flux in latest and established models = 1.96939 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 47 components and 1.96939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.309877Jy sigma=0.002352 ! Fit after self-cal, rms=0.309872Jy sigma=0.002352 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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=0.309872Jy sigma=0.002352 ! Fit after self-cal, rms=0.310103Jy sigma=0.002347 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8142 mas, bmaj=2.242 mas, bpa=-8.695 degrees ! Estimated noise=581.498 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00234762 Jy ! Component: 100 - total flux cleaned = -0.00223398 Jy ! Component: 150 - total flux cleaned = -0.00223688 Jy ! Component: 200 - total flux cleaned = -0.00206311 Jy ! Total flux subtracted in 200 components = -0.00206311 Jy ! Clean residual min=-0.006520 max=0.005875 Jy/beam ! Clean residual mean=-0.000110 rms=0.001718 Jy/beam ! Combined flux in latest and established models = 1.96733 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 1.96733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310028Jy sigma=0.002346 ! Fit after self-cal, rms=0.310042Jy sigma=0.002346 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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 = 7.55947e-05 Jy ! Component: 100 - total flux cleaned = 0.000151183 Jy ! Component: 150 - total flux cleaned = 0.000292465 Jy ! Component: 200 - total flux cleaned = 0.000424857 Jy ! Total flux subtracted in 200 components = 0.000424857 Jy ! Clean residual min=-0.006550 max=0.005923 Jy/beam ! Clean residual mean=-0.000121 rms=0.001705 Jy/beam ! Combined flux in latest and established models = 1.96776 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 50 components and 1.96776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310009Jy sigma=0.002346 ! Fit after self-cal, rms=0.310003Jy sigma=0.002346 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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=0.310003Jy sigma=0.002346 ! Fit after self-cal, rms=0.310116Jy sigma=0.002345 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=2.155 mas, bmaj=4.529 mas, bpa=-1.249 degrees ! Estimated noise=737.509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.07222e-06 Jy ! Component: 100 - total flux cleaned = -4.96671e-06 Jy ! Component: 150 - total flux cleaned = 5.83437e-05 Jy ! Component: 200 - total flux cleaned = 0.000109306 Jy ! Total flux subtracted in 200 components = 0.000109306 Jy ! Clean residual min=-0.005009 max=0.006566 Jy/beam ! Clean residual mean=-0.000180 rms=0.002078 Jy/beam ! Combined flux in latest and established models = 1.96786 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 51 components and 1.96786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310116Jy sigma=0.002345 ! Fit after self-cal, rms=0.310098Jy sigma=0.002345 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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 = 0.000102471 Jy ! Component: 100 - total flux cleaned = 9.93156e-05 Jy ! Component: 150 - total flux cleaned = 0.00010153 Jy ! Component: 200 - total flux cleaned = 0.000148395 Jy ! Total flux subtracted in 200 components = 0.000148395 Jy ! Clean residual min=-0.004966 max=0.006525 Jy/beam ! Clean residual mean=-0.000188 rms=0.002057 Jy/beam ! Combined flux in latest and established models = 1.96801 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 53 components and 1.96801 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.310097Jy sigma=0.002345 ! Fit after self-cal, rms=0.310081Jy sigma=0.002345 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8147 mas, bmaj=2.245 mas, bpa=-8.678 degrees ! Estimated noise=581.647 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8147 x 2.245 at -8.678 degrees (North through East) ! Clean map min=-0.0055536 max=1.7467 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=0.310081Jy sigma=0.002345 ! Fit after self-cal, rms=0.297422Jy sigma=0.002171 ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8145 mas, bmaj=2.245 mas, bpa=-8.674 degrees ! Estimated noise=581.343 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00161488 Jy ! Component: 100 - total flux cleaned = -0.00161841 Jy ! Component: 150 - total flux cleaned = -0.00162174 Jy ! Component: 200 - total flux cleaned = -0.00162198 Jy ! Total flux subtracted in 200 components = -0.00162198 Jy ! Clean residual min=-0.006658 max=0.005522 Jy/beam ! Clean residual mean=-0.000112 rms=0.001672 Jy/beam ! Combined flux in latest and established models = 1.96639 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 1.96639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297385Jy sigma=0.002170 ! Fit after self-cal, rms=0.297386Jy sigma=0.002170 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.80002e-07 Jy ! Component: 100 - total flux cleaned = 5.65119e-05 Jy ! Component: 150 - total flux cleaned = 0.000110038 Jy ! Component: 200 - total flux cleaned = 0.000161095 Jy ! Total flux subtracted in 200 components = 0.000161095 Jy ! Clean residual min=-0.006630 max=0.005567 Jy/beam ! Clean residual mean=-0.000117 rms=0.001666 Jy/beam ! Combined flux in latest and established models = 1.96655 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 53 components and 1.96655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297368Jy sigma=0.002170 ! Fit after self-cal, rms=0.297366Jy sigma=0.002170 ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297366Jy sigma=0.002170 ! Fit after self-cal, rms=0.297531Jy sigma=0.002170 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 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.6339 mas, bmaj=1.79 mas, bpa=-4.834 degrees ! Estimated noise=1030.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.30608 Jy ! Component: 100 - total flux cleaned = 1.63591 Jy ! Component: 150 - total flux cleaned = 1.78643 Jy ! Component: 200 - total flux cleaned = 1.86559 Jy ! Total flux subtracted in 200 components = 1.86559 Jy ! Clean residual min=-0.014239 max=0.037717 Jy/beam ! Clean residual mean=0.000349 rms=0.005144 Jy/beam ! Combined flux in latest and established models = 1.86559 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 11 model components to the UV plane model. ! The established model now contains 11 components and 1.86559 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8148 mas, bmaj=2.247 mas, bpa=-8.664 degrees ! Estimated noise=581.44 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 = 0.0559177 Jy ! Component: 100 - total flux cleaned = 0.0802014 Jy ! Component: 150 - total flux cleaned = 0.0914664 Jy ! Component: 200 - total flux cleaned = 0.0969291 Jy ! Total flux subtracted in 200 components = 0.0969291 Jy ! Clean residual min=-0.006418 max=0.006038 Jy/beam ! Clean residual mean=0.000004 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 1.96252 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 28 components and 1.96252 Jy ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 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 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=2.155 mas, bmaj=4.531 mas, bpa=-1.251 degrees ! Estimated noise=736.999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00354054 Jy ! Component: 100 - total flux cleaned = 0.00365461 Jy ! Component: 150 - total flux cleaned = 0.00374175 Jy ! Component: 200 - total flux cleaned = 0.00381307 Jy ! Total flux subtracted in 200 components = 0.00381307 Jy ! Clean residual min=-0.004997 max=0.006447 Jy/beam ! Clean residual mean=-0.000182 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 1.96633 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 = 6.25584e-05 Jy ! Component: 100 - total flux cleaned = 0.000117943 Jy ! Component: 150 - total flux cleaned = 0.000167638 Jy ! Component: 200 - total flux cleaned = 0.000211667 Jy ! Total flux subtracted in 200 components = 0.000211667 Jy ! Clean residual min=-0.004924 max=0.006414 Jy/beam ! Clean residual mean=-0.000193 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 1.96655 Jy ! Adding 8 model components to the UV plane model. ! The established model now contains 34 components and 1.96654 Jy ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! Estimated beam: bmin=0.8148 mas, bmaj=2.247 mas, bpa=-8.664 degrees ! Estimated noise=581.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000161986 Jy ! Component: 100 - total flux cleaned = 0.000503718 Jy ! Component: 150 - total flux cleaned = 0.000599624 Jy ! Component: 200 - total flux cleaned = 0.000686332 Jy ! Total flux subtracted in 200 components = 0.000686332 Jy ! Clean residual min=-0.007224 max=0.005738 Jy/beam ! Clean residual mean=-0.000112 rms=0.001731 Jy/beam ! Combined flux in latest and established models = 1.96723 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 41 components and 1.96723 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297685Jy sigma=0.002171 ! Fit after self-cal, rms=0.297649Jy sigma=0.002171 wmodel J0457-2324_X_1998_10_01_pus_map.mod ! Writing 41 model components to file: J0457-2324_X_1998_10_01_pus_map.mod wobs J0457-2324_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_1998_10_01_pus_uvs.fits wwins J0457-2324_X_1998_10_01_pus_map.win ! wwins: Wrote 1 windows to J0457-2324_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 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00228165 Jy ! Component: 100 - total flux cleaned = -0.00291843 Jy ! Component: 150 - total flux cleaned = -0.00302072 Jy ! Component: 200 - total flux cleaned = -0.00301908 Jy ! Component: 250 - total flux cleaned = -0.00319548 Jy ! Component: 300 - total flux cleaned = -0.00327914 Jy ! Component: 350 - total flux cleaned = -0.00327707 Jy ! Component: 400 - total flux cleaned = -0.00327618 Jy ! Component: 450 - total flux cleaned = -0.00335292 Jy ! Component: 500 - total flux cleaned = -0.00320306 Jy ! Component: 550 - total flux cleaned = -0.00327594 Jy ! Component: 600 - total flux cleaned = -0.00327626 Jy ! Component: 650 - total flux cleaned = -0.00341665 Jy ! Component: 700 - total flux cleaned = -0.00348499 Jy ! Component: 750 - total flux cleaned = -0.00361874 Jy ! Component: 800 - total flux cleaned = -0.00381664 Jy ! Component: 850 - total flux cleaned = -0.00407598 Jy ! Component: 900 - total flux cleaned = -0.00420383 Jy ! Component: 950 - total flux cleaned = -0.0043296 Jy ! Component: 1000 - total flux cleaned = -0.00451576 Jy ! Total flux subtracted in 1024 components = -0.0045774 Jy ! Clean residual min=-0.003562 max=0.003487 Jy/beam ! Clean residual mean=-0.000060 rms=0.001244 Jy/beam ! Combined flux in latest and established models = 1.96265 Jy keep ! Adding 76 model components to the UV plane model. ! The established model now contains 117 components and 1.96265 Jy ![Exited script file: muppet] wmap "J0457-2324_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8148 x 2.247 at -8.664 degrees (North through East) ! Clean map min=-0.0054544 max=1.7479 Jy/beam ! Writing clean map to FITS file: J0457-2324_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 1.74786 invert ! Inverting map ! Your choice of large map pixels excluded 0.104% of the data. ! The x-axis pixel size should ideally be below 0.1995 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00124506 device "J0457-2324_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.2137 0.2137 0.4274 0.854799 1.7096 3.4192 6.8384 13.6768 27.3536 54.7072 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0037 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.747 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8148 x 2.247 at -8.664 degrees (North through East) ! Clean map min=-0.0054544 max=1.7479 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 14:51:50 2008