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Swift-XRT spectra of GRB 241209D

Last updated after receiving ObsID 01273106011, version 15

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 260 to 37748 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+272 s

N_H (Galactic)	2.28 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+9, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.7 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	3.2 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.29 (+2.41, -0.78) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.32 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	161.01 (142)
Spectrum exposure	22 s

PC mode. Mean photon arrival: T0+13034 s

N_H (Galactic)	2.28 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+7, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.87 (+0.29, -0.25)
Flux (0.3-10 keV) (Observed)	1.73 (+0.33, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.93 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	131.55 (156)
Spectrum exposure	6.4 ks

Late Time spectrum (T0 + 4001 to 37748 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14899 s

N_H (Galactic)	2.28 × 10²⁰ cm^-2
N_H (intrinsic)	4 (+8, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.85 (+0.32, -0.28)
Flux (0.3-10 keV) (Observed)	1.57 (+0.33, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.77 (+0.28, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.11 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	128.57 (137)
Spectrum exposure	6.0 ks