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Swift-XRT spectra of GRB 151022A

Last updated after receiving ObsID 00661036001, 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 + 304 to 42131 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+311 s

N_H (Galactic)	4.74 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.97 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.3 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	2.3 (+0.9, -0.8) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.57 (+1.80, -0.91) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	6.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	23.99 (33)
Spectrum exposure	13 s

PC mode. Mean photon arrival: T0+1520 s

N_H (Galactic)	4.74 × 10²¹ cm^-2
N_H (intrinsic)	3.0 (+3.2, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.51 (+0.30, -0.28)
Flux (0.3-10 keV) (Observed)	5.8 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.85 (+1.23, -0.93) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	158.45 (230)
Spectrum exposure	6.7 ks

Late Time spectrum (T0 + 6201 to 42131 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9249 s

N_H (Galactic)	4.74 × 10²¹ cm^-2
N_H (intrinsic)	5 (+10, -4) × 10²² cm^-2
z of absorber	0
Photon index	10 (+35, -5)
Flux (0.3-10 keV) (Observed)	1.0 (+0.6, -0.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9 (+1.00 × 10⁹, -9) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	1.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.71 × 10^-6 erg cm^-2 ct^-1
W-stat (dof) What's this?	11.22 (14)
Spectrum exposure	4.3 ks