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Swift-XRT spectra of GRB 130502A

Last updated after receiving ObsID 00554996002, version 5

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 95 to 15978 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+99 s

N_H (Galactic)	2.73 × 10²⁰ cm^-2
N_H (intrinsic)	3.28 (+21.07, -0.67) × 10²⁴ cm^-2
z of absorber	0
Photon index	96 (-96, -99)
Flux (0.3-10 keV) (Observed)	2.3 (+1.00 × 10⁹, -1.7) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2 (+1.00 × 10⁹, +999999998) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	1.04 × 10^-9 erg cm^-2 ct^-1
Counts to flux (unabs)	1.04 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	6.59 (6)
Spectrum exposure	8 s

PC mode. Mean photon arrival: T0+1867 s

N_H (Galactic)	2.73 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+1.0, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.03 (+0.29, -0.27)
Flux (0.3-10 keV) (Observed)	6.61 (+1.14, -0.94) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.3 (+1.2, -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	149.66 (175)
Spectrum exposure	2.3 ks

Late Time spectrum (T0 + 5290 to 15978 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7799 s

N_H (Galactic)	2.73 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+3.1, -2.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.6 (+0.8, -0.7)
Flux (0.3-10 keV) (Observed)	1.6 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.6 (+10.1, -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.56 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	36.58 (47)
Spectrum exposure	1.8 ks