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Swift-XRT spectra of GRB 210517A

Last updated after receiving ObsID 01048783003, version 6

Data were analysed using HEASOFT version 6.32

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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)

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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 (+1.27 × 10²², -0) cm^-2
z of absorber	2.486
Photon index	3.02 (+13.62, -0.82)
Flux (0.3-10 keV) (Observed)	5.4 (+2.8, -2.1) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.9 (+41.0, -2.5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	2.24 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.46 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	15.20 (16)
Spectrum exposure	12 s

PC mode. Mean photon arrival: T0+3674 s

N_H (Galactic)	1.30 × 10²⁰ cm^-2
N_H (intrinsic)	2.6 (+7.1, -2.6) × 10²¹ cm^-2
z of absorber	2.486
Photon index	1.72 (+0.18, -0.16)
Flux (0.3-10 keV) (Observed)	2.8 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.71 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	174.60 (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)	4.7 (+1.70 × 10³, -4.7) × 10¹⁹ cm^-2
z of absorber	2.486
Photon index	1.63 (+0.45, -0.29)
Flux (0.3-10 keV) (Observed)	6.0 (+1.7, -1.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.2 (+1.9, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	44.45 (62)
Spectrum exposure	6.4 ks