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Swift-XRT spectra of GRB 121102A

Last updated after receiving ObsID 00537266001, version 4

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 53 to 30388 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+94 s

N_H (Galactic)	6.77 × 10²¹ cm^-2
N_H (intrinsic)	7.4 (+1.9, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.92 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	6.7 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.28 (+0.15, -0.11) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.02 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	516.64 (559)
Spectrum exposure	189 s

PC mode. Mean photon arrival: T0+5080 s

N_H (Galactic)	6.77 × 10²¹ cm^-2
N_H (intrinsic)	8 (+4, -3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.86 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	4.0 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.3 (+1.8, -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.07 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	245.81 (299)
Spectrum exposure	13.2 ks

Late Time spectrum (T0 + 4790 to 30388 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12809 s

N_H (Galactic)	6.77 × 10²¹ cm^-2
N_H (intrinsic)	5 (+6, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.6 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.45 (+0.32, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.2 (+0.8, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	6.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	133.04 (153)
Spectrum exposure	11.9 ks