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Swift-XRT spectra of GRB 100316D

Last updated after receiving ObsID 00416135019, version 3.

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The spectral fits assume a redshift: 0.059 (GCN 10512)

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Time-averaged spectrum (T0 + 143 to 63780 s)

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WT and PC mode spectra of GRB 100316D

WT mode. Mean photon arrival: T0+430 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	6.74 (+0.35, -0.34) × 10²¹ cm^-2
z of absorber	0.059
Photon index	1.418 (+0.039, -0.039)
Flux (0.3-10 keV) (Observed)	2.195 (+0.043, -0.042) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.944 (+0.051, -0.047) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	6.7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	866.19 (868)
Exposure time	594 s

PC mode. Mean photon arrival: T0+44592 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	4.0 (+9.0, -4.0) × 10²¹ cm^-2
z of absorber	0.059
Photon index	2.5 (+1.9, -1.2)
Flux (0.3-10 keV) (Observed)	2.9 (+2.7, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.2 (+73.0, -3.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	29.06 (22)
Exposure time	3.8 ks

Late Time spectrum (T0 + 32906 to 63780 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of GRB 100316D

PC mode. Mean photon arrival: T0+44592 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	4.0 (+9.0, -4.0) × 10²¹ cm^-2
z of absorber	0.059
Photon index	2.5 (+1.9, -1.2)
Flux (0.3-10 keV) (Observed)	2.9 (+2.7, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.2 (+69.6, -2.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	29.06 (22)
Exposure time	3.8 ks