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Swift-XRT spectra of GRB 210104A

Last updated after receiving ObsID 01015873001, version 4

Data were analysed using HEASOFT version 6.28

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 69 to 18256 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+749 s

N_H (Galactic)	5.09 × 10²⁰ cm^-2
N_H (intrinsic)	5.9 (+0.8, -0.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.012 (+0.028, -0.028)
Flux (0.3-10 keV) (Observed)	4.75 (+0.08, -0.08) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.81 (+0.10, -0.08) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.24 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	732.98 (746)
Spectrum exposure	1.7 ks

PC mode. Mean photon arrival: T0+10606 s

N_H (Galactic)	5.09 × 10²⁰ cm^-2
N_H (intrinsic)	7.4 (+3.1, -2.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.92 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	2.99 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.28 (+0.45, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	393.11 (419)
Spectrum exposure	2.9 ks

Late Time spectrum (T0 + 6068 to 18256 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10606 s

N_H (Galactic)	5.09 × 10²⁰ cm^-2
N_H (intrinsic)	7.4 (+3.1, -2.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.92 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	2.99 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.28 (+0.45, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	393.11 (419)
Spectrum exposure	2.9 ks