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Swift-XRT spectra of GRB 120815A

Last updated after receiving ObsID 00531003001, version 14

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.358 (GCN 13649)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 2696 to 48971 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+10375 s

N_H (Galactic)	1.19 × 10²¹ cm^-2
N_H (intrinsic)	7 (+7, -6) × 10²¹ cm^-2
z of absorber	2.358
Photon index	1.73 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	6.3 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.6 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	306.84 (392)
Spectrum exposure	8.9 ks

Late Time spectrum (T0 + 4002 to 48971 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13907 s

N_H (Galactic)	1.19 × 10²¹ cm^-2
N_H (intrinsic)	3 (+8, -3) × 10²¹ cm^-2
z of absorber	2.358
Photon index	1.70 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	4.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.04 × 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?	242.33 (320)
Spectrum exposure	7.8 ks