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Swift-XRT spectra of GRB 050915B

Last updated after receiving ObsID 00155284006, version 21

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 149 to 65636 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+181 s

N_H (Galactic)	3.55 × 10²¹ cm^-2
N_H (intrinsic)	4 (+6, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.60 (+0.18, -0.16)
Flux (0.3-10 keV) (Observed)	2.78 (+0.22, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.5 (+0.6, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	287.69 (344)
Spectrum exposure	123 s

PC mode. Mean photon arrival: T0+13552 s

N_H (Galactic)	3.55 × 10²¹ cm^-2
N_H (intrinsic)	1.1 (+1.4, -1.1) × 10²¹ cm^-2
z of absorber	0
Photon index	2.16 (+0.26, -0.25)
Flux (0.3-10 keV) (Observed)	9.1 (+1.3, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.61 (+0.36, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.45 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	185.93 (242)
Spectrum exposure	21.9 ks

Late Time spectrum (T0 + 5545 to 65636 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23232 s

N_H (Galactic)	3.55 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+2.1, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	5.72 (+1.07, -0.89) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.13 (+0.37, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	125.08 (157)
Spectrum exposure	19.9 ks