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Swift-XRT spectra of GRB 121024A

Last updated after receiving ObsID 00536580008, version 8

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.298 (GCN 13890)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 99 to 23495 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+184 s

N_H (Galactic)	7.87 × 10²⁰ cm^-2
N_H (intrinsic)	6.2 (+3.0, -2.9) × 10²¹ cm^-2
z of absorber	2.298
Photon index	2.10 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	5.01 (+0.25, -0.24) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.48 (+0.27, -0.26) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	410.24 (467)
Spectrum exposure	196 s

PC mode. Mean photon arrival: T0+8058 s

N_H (Galactic)	7.87 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+0.6, -0.5) × 10²² cm^-2
z of absorber	2.298
Photon index	1.94 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	6.4 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.1 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.47 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	322.37 (351)
Spectrum exposure	9.4 ks

Late Time spectrum (T0 + 4001 to 23495 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11575 s

N_H (Galactic)	7.87 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+0.7, -0.6) × 10²² cm^-2
z of absorber	2.298
Photon index	1.96 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	3.8 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	269.08 (300)
Spectrum exposure	8.9 ks