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Swift-XRT spectra of GRB 221201A

Last updated after receiving ObsID 01142847003, version 5

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 174 to 70462 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+253 s

N_H (Galactic)	7.53 × 10²⁰ cm^-2
N_H (intrinsic)	2.69 (+0.17, -0.17) × 10²¹ cm^-2
z of absorber	0
Photon index	3.14 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	1.124 (+0.023, -0.022) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.89 (+0.23, -0.11) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.11 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	522.11 (540)
Spectrum exposure	361 s

PC mode. Mean photon arrival: T0+20534 s

N_H (Galactic)	7.53 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.98 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	8.0 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.16 (+0.06, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.50 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.03 (434)
Spectrum exposure	12.3 ks

Late Time spectrum (T0 + 6004 to 70462 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25512 s

N_H (Galactic)	7.53 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.01 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	5.8 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.4 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	344.37 (399)
Spectrum exposure	11.7 ks