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The Swift Burst Analyser — GRB 070721B

Last updated using ObsID 00285654000, version 10;

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=0.023 × 1022 cm-2 at z=0 and 1.20 × 1022 cm-2 at z=3.626.
(Source: the late-time spectrum from the XRT spectrum repository).

BAT-XRT combined data

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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_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?








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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 338.7, from -4.1 to 334.6
The spectral fit used was a power-law with photon index: 1.3

Count-rate light curves are available from GCN.

Reliability checks.



Display which bands?








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The counts-to-flux conversion factor is: 0.00035 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