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Swift-XRT spectra of GRB 240222A

Last updated after receiving ObsID 01216804006, version 36

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 52059 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+102 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.08 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.2 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	2.9 (+1.0, -1.1) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.09 (+1.27, -0.96) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.51 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	28.54 (31)
Spectrum exposure	9 s

PC mode. Mean photon arrival: T0+1230 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	0 (+9.56 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.48 (+0.23, -0.13)
Flux (0.3-10 keV) (Observed)	5.1 (+0.6, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.58 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	163.93 (234)
Spectrum exposure	7.2 ks

Late Time spectrum (T0 + 5472 to 52059 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9609 s

N_H (Galactic)	1.72 × 10²¹ cm^-2
N_H (intrinsic)	0 (+4.11 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.6 (+0.9, -0.4)
Flux (0.3-10 keV) (Observed)	3.5 (+1.4, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.0 (+1.8, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	25.97 (29)
Spectrum exposure	6.1 ks