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Swift-XRT spectra of GRB 091127

Last updated after receiving ObsID 00377179062, version 7

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.49 (GCN 10202)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3218 to 20951 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+3514 s

N_H (Galactic)	3.11 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+3, -3) × 10²⁰ cm^-2
z of absorber	0.49
Photon index	1.77 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	3.10 (+0.12, -0.12) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.44 (+0.11, -0.10) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	519.50 (592)
Spectrum exposure	607 s

PC mode. Mean photon arrival: T0+13406 s

N_H (Galactic)	3.11 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0.49
Photon index	1.69 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	7.7 (+0.5, -0.5) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+0.5, -0.4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.43 (422)
Spectrum exposure	2.0 ks

Late Time spectrum (T0 + 5786 to 20951 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13406 s

N_H (Galactic)	3.11 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0.49
Photon index	1.69 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	7.7 (+0.5, -0.5) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+0.5, -0.4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.43 (422)
Spectrum exposure	2.0 ks