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Swift-XRT spectra of GRB 120802A

Last updated after receiving ObsID 00529486000, version 12

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 3.796 (GCN 13562)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 88 to 17563 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+98 s

N_H (Galactic)	1.46 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.36 × 10²², -0) cm^-2
z of absorber	3.796
Photon index	1.9 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.6 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.0 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.33 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	56.71 (75)
Spectrum exposure	22 s

PC mode. Mean photon arrival: T0+6599 s

N_H (Galactic)	1.46 × 10²¹ cm^-2
N_H (intrinsic)	9.6 (+21.8, -9.6) × 10²¹ cm^-2
z of absorber	3.796
Photon index	1.94 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	4.5 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	219.78 (278)
Spectrum exposure	7.0 ks

Late Time spectrum (T0 + 4094 to 17563 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9241 s

N_H (Galactic)	1.46 × 10²¹ cm^-2
N_H (intrinsic)	2.2 (+2.8, -2.2) × 10²² cm^-2
z of absorber	3.796
Photon index	2.02 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	3.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.75 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	184.77 (229)
Spectrum exposure	6.2 ks