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Swift-XRT spectra of GRB 120224A

Last updated after receiving ObsID 00515976010, version 16

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 116 to 52278 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+18091 s

N_H (Galactic)	2.68 × 10²⁰ cm^-2
N_H (intrinsic)	3.8 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.11 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	3.93 (+0.29, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+0.4, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	367.92 (392)
Spectrum exposure	18.2 ks

Late Time spectrum (T0 + 5316 to 52278 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24617 s

N_H (Galactic)	2.68 × 10²⁰ cm^-2
N_H (intrinsic)	3.6 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.02 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	2.92 (+0.26, -0.23) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.3, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	324.86 (351)
Spectrum exposure	16.7 ks