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Swift-XRT spectra of GRB 100420A

Last updated after receiving ObsID 00419932004, version 15

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 30924 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+137 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.14 × 10²², -0) cm^-2
z of absorber	0
Photon index	1.67 (+2.08, -0.69)
Flux (0.3-10 keV) (Observed)	1.47 (+1.75, -0.94) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+4.6, -1.1) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	13.85 (12)
Spectrum exposure	8 s

PC mode. Mean photon arrival: T0+2879 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	0 (+5.41 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.78 (+0.30, -0.15)
Flux (0.3-10 keV) (Observed)	1.42 (+0.28, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.66 (+0.29, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.50 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	106.78 (140)
Spectrum exposure	14.2 ks

Late Time spectrum (T0 + 5398 to 30924 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15249 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	5 (+7, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.8 (+1.4, -1.1)
Flux (0.3-10 keV) (Observed)	1.1 (+0.7, -0.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+12.4, -1.9) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.02 × 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?	19.93 (24)
Spectrum exposure	12.3 ks