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Swift-XRT spectra of GRB 150202A

Last updated after receiving ObsID 00629547004, version 11

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 91 to 24865 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+94 s

N_H (Galactic)	2.54 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.73 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.66 (+2.41, -0.81)
Flux (0.3-10 keV) (Observed)	1.3 (+1.1, -1.0) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.38 (+1.10, -0.72) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.50 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.66 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	7.78 (10)
Spectrum exposure	5 s

PC mode. Mean photon arrival: T0+2823 s

N_H (Galactic)	2.54 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.03 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	8.2 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.178 (+0.103, -0.097) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	226.08 (298)
Spectrum exposure	6.0 ks

Late Time spectrum (T0 + 5135 to 24865 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8531 s

N_H (Galactic)	2.54 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+1.6, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	1.7 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.21 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	95.09 (123)
Spectrum exposure	4.3 ks