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Swift-XRT spectra of GRB 130603B

Last updated after receiving ObsID 00557310006, version 10

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.356 (GCN 14744)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 62 to 51694 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+345 s

N_H (Galactic)	2.10 × 10²⁰ cm^-2
N_H (intrinsic)	4.0 (+1.7, -1.4) × 10²¹ cm^-2
z of absorber	0.356
Photon index	1.72 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	8.47 (+1.00, -0.91) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.06 (+0.10, -0.09) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	295.78 (336)
Spectrum exposure	372 s

PC mode. Mean photon arrival: T0+8023 s

N_H (Galactic)	2.10 × 10²⁰ cm^-2
N_H (intrinsic)	4.38 (+1.01, -0.92) × 10²¹ cm^-2
z of absorber	0.356
Photon index	1.97 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	3.9 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.11 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	348.54 (351)
Spectrum exposure	12.7 ks

Late Time spectrum (T0 + 4000 to 51694 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10177 s

N_H (Galactic)	2.10 × 10²⁰ cm^-2
N_H (intrinsic)	4.5 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	0.356
Photon index	1.98 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	3.24 (+0.31, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	290.82 (322)
Spectrum exposure	12.5 ks