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Swift-XRT spectra of GRB 061121

Last updated after receiving ObsID 00239899029, version 5

Data were analysed using HEASOFT version -1

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.314 (GCN 5826)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 61 to 92546 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+193 s

N_H (Galactic)	4.63 × 10²⁰ cm^-2
N_H (intrinsic)	6.9 (+0.9, -0.9) × 10²¹ cm^-2
z of absorber	1.314
Photon index	1.67 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.098 (+0.031, -0.030) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.290 (+0.029, -0.028) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	734.15 (724)
Spectrum exposure	526 s

PC mode. Mean photon arrival: T0+19187 s

N_H (Galactic)	4.63 × 10²⁰ cm^-2
N_H (intrinsic)	7.3 (+1.3, -1.2) × 10²¹ cm^-2
z of absorber	1.314
Photon index	1.83 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	1.83 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.26 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	493.87 (577)
Spectrum exposure	17.7 ks

Late Time spectrum (T0 + 4897 to 92546 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21610 s

N_H (Galactic)	4.63 × 10²⁰ cm^-2
N_H (intrinsic)	7.6 (+1.4, -1.3) × 10²¹ cm^-2
z of absorber	1.314
Photon index	1.83 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	1.55 (+0.07, -0.06) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.92 (+0.07, -0.06) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	477.81 (564)
Spectrum exposure	16.7 ks