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Swift-XRT spectra of GRB 121028A

Last updated after receiving ObsID 00536897001, version 9

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 139 to 48764 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+2906 s

N_H (Galactic)	3.92 × 10²¹ cm^-2
N_H (intrinsic)	5.1 (+3.3, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.68 (+0.29, -0.27)
Flux (0.3-10 keV) (Observed)	3.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.68 (+1.10, -0.71) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	225.47 (266)
Spectrum exposure	9.4 ks

Late Time spectrum (T0 + 5910 to 48764 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11674 s

N_H (Galactic)	3.92 × 10²¹ cm^-2
N_H (intrinsic)	2.3 (+9.5, -2.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.1 (+0.8, -0.5)
Flux (0.3-10 keV) (Observed)	9.4 (+4.1, -2.9) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.11 (+0.32, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.58 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	55.92 (63)
Spectrum exposure	6.9 ks