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Swift-XRT spectra of GRB 210517A

Last updated after receiving ObsID 01048783003, version 6

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.486 (GCN 30037)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 70 to 40648 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+74 s

N_H (Galactic)	1.30 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.14 × 10²², -0) cm^-2
z of absorber	2.486
Photon index	3.02 (+12.24, -0.79)
Flux (0.3-10 keV) (Observed)	5.3 (+2.7, -3.0) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+60.7, -2.4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	2.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	15.04 (16)
Spectrum exposure	12 s

PC mode. Mean photon arrival: T0+3674 s

N_H (Galactic)	1.30 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+7.0, -1.9) × 10²¹ cm^-2
z of absorber	2.486
Photon index	1.70 (+0.18, -0.15)
Flux (0.3-10 keV) (Observed)	2.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	174.85 (225)
Spectrum exposure	7.7 ks

Late Time spectrum (T0 + 4642 to 40648 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16631 s

N_H (Galactic)	1.30 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.64 × 10²², -0) cm^-2
z of absorber	2.486
Photon index	1.60 (+0.45, -0.28)
Flux (0.3-10 keV) (Observed)	6.2 (+1.7, -1.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.4 (+1.9, -1.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	44.65 (62)
Spectrum exposure	6.4 ks