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Swift-XRT spectra of GRB 210504A

Last updated after receiving ObsID 01046782004, version 9

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.077 (GCN 29944)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 218 to 29795 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+262 s

N_H (Galactic)	1.29 × 10²¹ cm^-2
N_H (intrinsic)	3.0 (+4.7, -3.0) × 10²¹ cm^-2
z of absorber	2.077
Photon index	1.95 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	9.7 (+0.7, -0.7) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.25 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.30 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	384.56 (420)
Spectrum exposure	146 s

PC mode. Mean photon arrival: T0+4922 s

N_H (Galactic)	1.29 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.71 × 10²¹, -0) cm^-2
z of absorber	2.077
Photon index	2.11 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	6.5 (+0.6, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	175.58 (219)
Spectrum exposure	6.9 ks

Late Time spectrum (T0 + 11628 to 29795 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16561 s

N_H (Galactic)	1.29 × 10²¹ cm^-2
N_H (intrinsic)	0 (+6.43 × 10²¹, -0) cm^-2
z of absorber	2.077
Photon index	1.99 (+0.45, -0.20)
Flux (0.3-10 keV) (Observed)	9.7 (+2.2, -2.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.24 (+0.24, -0.22) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.07 × 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?	53.04 (83)
Spectrum exposure	5.3 ks