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Swift-XRT spectra of GRB 150318A

Last updated after receiving ObsID 00635289004, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 147 to 40130 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+191 s

N_H (Galactic)	3.31 × 10²⁰ cm^-2
N_H (intrinsic)	2.97 (+0.22, -0.21) × 10²¹ cm^-2
z of absorber	0
Photon index	2.47 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	1.51 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.04 (+0.14, -0.14) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.93 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	556.05 (588)
Spectrum exposure	191 s

PC mode. Mean photon arrival: T0+5432 s

N_H (Galactic)	3.31 × 10²⁰ cm^-2
N_H (intrinsic)	1.06 (+1.12, -0.90) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	97.91 (127)
Spectrum exposure	6.3 ks

Late Time spectrum (T0 + 4266 to 40130 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18899 s

N_H (Galactic)	3.31 × 10²⁰ cm^-2
N_H (intrinsic)	4.2 (+21.5, -4.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.7 (+0.7, -0.5)
Flux (0.3-10 keV) (Observed)	5.0 (+2.3, -1.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.6 (+1.9, -1.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	51.00 (41)
Spectrum exposure	5.7 ks