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Swift-XRT spectra of GRB 251201B

Last updated after receiving ObsID 01418729001, version 12

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 97 to 23336 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+206 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	2.12 (+0.12, -0.12) × 10²¹ cm^-2
z of absorber	0
Photon index	2.40 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.74 (+0.03, -0.03) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.00 (+0.06, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	635.16 (674)
Spectrum exposure	362 s

PC mode. Mean photon arrival: T0+3769 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.93 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	1.21 (+0.12, -0.11) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.461 (+0.112, -0.090) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	248.95 (311)
Spectrum exposure	5.9 ks

Late Time spectrum (T0 + 6291 to 23336 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13581 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	1.0 (+1.4, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	2.1 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.38 × 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?	101.04 (109)
Spectrum exposure	4.5 ks