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Swift-XRT spectra of GRB 150317A

Last updated after receiving ObsID 00635148001, version 16

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 68 to 42428 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+76 s

N_H (Galactic)	2.96 × 10²⁰ cm^-2
N_H (intrinsic)	4.3 (+3.3, -2.4) × 10²² cm^-2
z of absorber	0
Photon index	2.3 (+1.4, -1.1)
Flux (0.3-10 keV) (Observed)	3.5 (+1.5, -1.1) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.2 (+5.0, -0.6) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.38 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.93 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	84.80 (89)
Spectrum exposure	19 s

PC mode. Mean photon arrival: T0+6926 s

N_H (Galactic)	2.96 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+0.8, -0.7) × 10²² cm^-2
z of absorber	0
Photon index	2.3 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	2.7 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.4 (+6.3, -2.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	6.20 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.15 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	205.77 (286)
Spectrum exposure	15.1 ks

Late Time spectrum (T0 + 5538 to 42428 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17839 s

N_H (Galactic)	2.96 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+1.3, -1.1) × 10²² cm^-2
z of absorber	0
Photon index	2.4 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	9.3 (+2.2, -1.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.6 (+6.9, -1.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.91 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.30 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	109.78 (127)
Spectrum exposure	13.0 ks