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Swift-XRT spectra of GRB 210207B

Last updated after receiving ObsID 01031297010, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 80 to 45632 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+167 s

N_H (Galactic)	3.51 × 10²⁰ cm^-2
N_H (intrinsic)	1.08 (+0.14, -0.13) × 10²¹ cm^-2
z of absorber	0
Photon index	1.96 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	1.35 (+0.04, -0.03) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.73 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.40 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	690.13 (675)
Spectrum exposure	329 s

PC mode. Mean photon arrival: T0+9492 s

N_H (Galactic)	3.51 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+2.7, -2.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.726 (+0.104, -0.099)
Flux (0.3-10 keV) (Observed)	1.93 (+0.13, -0.12) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.134 (+0.113, -0.099) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	401.34 (431)
Spectrum exposure	6.5 ks

Late Time spectrum (T0 + 4000 to 45632 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9697 s

N_H (Galactic)	3.51 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+2.7, -2.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.73 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	1.88 (+0.13, -0.12) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.07 (+0.11, -0.10) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	383.50 (424)
Spectrum exposure	6.3 ks