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Swift-XRT spectra of GRB 240101B

Last updated after receiving ObsID 01205744003, version 21

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 130 to 33714 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+215 s

N_H (Galactic)	2.88 × 10²¹ cm^-2
N_H (intrinsic)	4.1 (+0.9, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.24 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	4.10 (+0.27, -0.25) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.54 (+1.04, -0.79) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	390.42 (488)
Spectrum exposure	189 s

PC mode. Mean photon arrival: T0+2845 s

N_H (Galactic)	2.88 × 10²¹ cm^-2
N_H (intrinsic)	4.9 (+2.0, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.38 (+0.30, -0.27)
Flux (0.3-10 keV) (Observed)	7.36 (+1.01, -0.87) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+0.6, -0.3) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.55 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	231.30 (233)
Spectrum exposure	5.6 ks

Late Time spectrum (T0 + 4943 to 33714 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13661 s

N_H (Galactic)	2.88 × 10²¹ cm^-2
N_H (intrinsic)	3.6 (+5.6, -2.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	7.4 (+2.4, -2.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.65 (+2.36, -0.96) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	58.19 (62)
Spectrum exposure	4.9 ks