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Swift-XRT spectra of GRB 100316B

Last updated after receiving ObsID 00416103010, version 11.

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The spectral fits assume a redshift: 1.18 (GCN 10495)

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Time-averaged spectrum (T0 + 67 to 46527 s)

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WT and PC mode spectra of GRB 100316B

WT mode. Mean photon arrival: T0+70 s

N_H (Galactic)	9.9 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+223.5, -3.0) × 10²² cm^-2
z of absorber	1.18
Photon index	1.0 (+2.3, -2.6)
Flux (0.3-10 keV) (Observed)	1.5 (+7.0, -1.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+6.1, -1.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	0.00 × 10⁰ erg cm^-2 ct^-1
Counts to flux (unabs)	0.00 × 10⁰ erg cm^-2 ct^-1
C-stat (dof)	4.29 (5)
Exposure time

PC mode. Mean photon arrival: T0+2390 s

N_H (Galactic)	9.9 × 10²⁰ cm^-2
N_H (intrinsic)	2.6 (+2.7, -2.3) × 10²¹ cm^-2
z of absorber	1.18
Photon index	2.24 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	2.63 (+0.37, -0.32) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.01 (+1.00, -0.68) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.3 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.1 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	156.21 (191)
Exposure time	5.1 ks

Late Time spectrum (T0 + 34014 to 46527 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of GRB 100316B

PC mode. Mean photon arrival: T0+37327 s

N_H (Galactic)	9.9 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+4.8, -1.9) × 10²² cm^-2
z of absorber	1.18
Photon index	4.0 (+4.0, -2.5)
Flux (0.3-10 keV) (Observed)	1.10 (+0.95, -0.49) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.11 (1.00 × 10¹², -0.81) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.4 × 10^-10 erg cm^-2 ct^-1
C-stat (dof)	6.96 (12)
Exposure time	4.0 ks