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Swift-XRT spectra of GRB 130315A

Last updated after receiving ObsID 00551126004, version 9

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 167 to 56840 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

N_H (Galactic)	3.63 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.06 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.398 (+0.027, -0.022)
Flux (0.3-10 keV) (Observed)	2.68 (+0.05, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.19 (+0.06, -0.06) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	790.69 (798)
Spectrum exposure	292 s

PC mode. Mean photon arrival: T0+12588 s

N_H (Galactic)	3.63 × 10²¹ cm^-2
N_H (intrinsic)	2.2 (+14.5, -2.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.93 (+0.27, -0.18)
Flux (0.3-10 keV) (Observed)	1.32 (+0.18, -0.18) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.96 (+0.33, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.06 × 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?	167.72 (230)
Spectrum exposure	16.9 ks

Late Time spectrum (T0 + 4000 to 56840 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19530 s

N_H (Galactic)	3.63 × 10²¹ cm^-2
N_H (intrinsic)	3.2 (+21.1, -3.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.87 (+0.36, -0.23)
Flux (0.3-10 keV) (Observed)	6.7 (+1.2, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.7 (+2.2, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.22 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	115.26 (167)
Spectrum exposure	16.7 ks