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Swift-XRT spectra of GRB 151027A

Last updated after receiving ObsID 00661775014, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.81 (GCN 18487)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 93 to 63739 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+547 s

N_H (Galactic)	3.75 × 10²⁰ cm^-2
N_H (intrinsic)	3.78 (+0.25, -0.25) × 10²¹ cm^-2
z of absorber	0.81
Photon index	1.932 (+0.024, -0.024)
Flux (0.3-10 keV) (Observed)	9.22 (+0.14, -0.14) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.161 (+0.014, -0.014) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	756.96 (801)
Spectrum exposure	1.5 ks

PC mode. Mean photon arrival: T0+17215 s

N_H (Galactic)	3.75 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0.81
Photon index	1.98 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	3.50 (+0.14, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.55 (+0.15, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.48 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	539.31 (547)
Spectrum exposure	10.2 ks

Late Time spectrum (T0 + 5910 to 63739 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17215 s

N_H (Galactic)	3.75 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0.81
Photon index	1.98 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	3.50 (+0.14, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.55 (+0.15, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.48 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	539.31 (547)
Spectrum exposure	10.2 ks