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Swift-XRT spectra of GRB 130604A

Last updated after receiving ObsID 00557354000, version 13

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 105 to 21788 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+150 s

N_H (Galactic)	5.28 × 10²⁰ cm^-2
N_H (intrinsic)	2.6 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.94 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	6.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.7 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.40 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	452.18 (461)
Spectrum exposure	121 s

PC mode. Mean photon arrival: T0+2498 s

N_H (Galactic)	5.28 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+1.3, -1.1) × 10²¹ cm^-2
z of absorber	0
Photon index	2.05 (+0.32, -0.29)
Flux (0.3-10 keV) (Observed)	5.76 (+1.08, -0.88) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+1.3, -1.0) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	134.18 (181)
Spectrum exposure	5.5 ks

Late Time spectrum (T0 + 4387 to 21788 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10501 s

N_H (Galactic)	5.28 × 10²⁰ cm^-2
N_H (intrinsic)	4.1 (+3.8, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.5 (+0.9, -0.7)
Flux (0.3-10 keV) (Observed)	4.4 (+2.0, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.8 (+18.6, -3.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	47.06 (46)
Spectrum exposure	5.3 ks