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Swift-XRT spectra of GRB 071021

Last updated after receiving ObsID 00294974009, version 23

Data were analysed using HEASOFT version 6.35.2

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.452 (Kruehler et al. 2012)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 136 to 103741 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+271 s

N_H (Galactic)	5.87 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+0.5, -0.4) × 10²² cm^-2
z of absorber	2.452
Photon index	1.91 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	1.26 (+0.06, -0.06) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.66 (+0.06, -0.06) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.76 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	537.10 (551)
Spectrum exposure	1.7 ks

PC mode. Mean photon arrival: T0+16070 s

N_H (Galactic)	5.87 × 10²⁰ cm^-2
N_H (intrinsic)	2.0 (+0.7, -0.6) × 10²² cm^-2
z of absorber	2.452
Photon index	1.89 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	1.75 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.22 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	377.80 (356)
Spectrum exposure	36.5 ks

Late Time spectrum (T0 + 4983 to 103741 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16070 s

N_H (Galactic)	5.87 × 10²⁰ cm^-2
N_H (intrinsic)	2.0 (+0.7, -0.6) × 10²² cm^-2
z of absorber	2.452
Photon index	1.89 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	1.75 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.22 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	377.80 (356)
Spectrum exposure	36.5 ks