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Swift-XRT spectra of GRB 130505A

Last updated after receiving ObsID 00555163021, version 11

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.27 (GCN 14567)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 102 to 29380 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+262 s

N_H (Galactic)	4.03 × 10²⁰ cm^-2
N_H (intrinsic)	4.03 (+1.01, -0.98) × 10²¹ cm^-2
z of absorber	2.27
Photon index	1.707 (+0.024, -0.024)
Flux (0.3-10 keV) (Observed)	3.52 (+0.06, -0.06) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.88 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	878.53 (794)
Spectrum exposure	439 s

PC mode. Mean photon arrival: T0+15917 s

N_H (Galactic)	4.03 × 10²⁰ cm^-2
N_H (intrinsic)	7.5 (+2.2, -2.1) × 10²¹ cm^-2
z of absorber	2.27
Photon index	1.74 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	5.66 (+0.21, -0.20) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.43 (+0.19, -0.19) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.30 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	599.44 (591)
Spectrum exposure	11.3 ks

Late Time spectrum (T0 + 4001 to 29380 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16255 s

N_H (Galactic)	4.03 × 10²⁰ cm^-2
N_H (intrinsic)	7.7 (+2.3, -2.1) × 10²¹ cm^-2
z of absorber	2.27
Photon index	1.74 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	5.49 (+0.21, -0.20) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.25 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	587.01 (585)
Spectrum exposure	11.1 ks