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The Swift Burst Analyser — GRB 090809

Last updated using ObsID 00359530007, version 11;

Related pages: BAT automated analysis | XRT automated analysis.

Index of bursts.

About these products.

Jump to: Combined | BAT | XRT | BAT no evolution.

Downloads: BAT spectral evolution data | XRT spectral evolution data | All files for this object.

All data uses absorption NH=0.061 × 1022 cm-2 at z=0 and 1.27 × 1022 cm-2 at z=2.737.
(Source: a custom-built late-time XRT spectrum).

BAT-XRT combined data

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Flux density at 10 keV, with photon index sub plot. BAT binning: SNR 5

bat_xrt_lightcurves/SNR5/bat_xrt_flux_with_gamma_DENSITY_BATSNR5 BAT-XRT light curve in the Flux density at 10 keV band.
Postscript: bat_xrt_lightcurves/SNR5/bat_xrt_flux_with_gamma_DENSITY_BATSNR5.ps.gz

BAT flux light curves

Count-rate light curves are available from GCN.

Reliability checks.





Display which bands?








Explain

Flux density at 10 keV, with photon index sub plot. BAT binning: SNR 5

BAT-XRT light curve in the Flux density at 10 keV band.
Postscript: bat/bat_flux_snr5_with_gamma_DENSITY.ps.gz

XRT flux light curves

Count-rate light curves are available from The Swift-XRT lightcurve repository.

Reliability checks.

Display which bands?









Flux density at 10 keV.

XRT light curve in the Flux density at 10 keV band.
Postscript: xrt/xrt_flux_with_gamma_DENSITY.ps.gz

BAT flux light curves, no spectral evolution

The fit to the T90 spectrum was used to create the plots in this section.
T90 was 8.9, from -0.1 to 8.7
The spectral fit used was a power-law with photon index: 1.5

Count-rate light curves are available from GCN.

Reliability checks.



Display which bands?








Explain

The counts-to-flux conversion factor is: 0.00023 erg cm-2 ct-1

BAT non-evolving flux light curve in the Flux density at 10 keV band.
Postscript: bat/bat_flux_snr5_DENSITY_NOEVOLVE.ps.gz