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Swift-XRT spectra of GRB 130812A

Last updated after receiving ObsID 00566228001, version 8

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 + 86 to 75255 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+6752 s

N_H (Galactic)	2.52 × 10²¹ cm^-2
N_H (intrinsic)	1.5 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.95 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	3.14 (+0.30, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.7 (+0.3, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	289.99 (354)
Spectrum exposure	17.1 ks

Late Time spectrum (T0 + 4568 to 75255 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15391 s

N_H (Galactic)	2.52 × 10²¹ cm^-2
N_H (intrinsic)	8.5 (+12.3, -8.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.96 (+0.26, -0.24)
Flux (0.3-10 keV) (Observed)	1.14 (+0.17, -0.14) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.68 (+0.27, -0.11) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.67 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	176.42 (228)
Spectrum exposure	15.9 ks