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Swift-XRT spectra of GRB 210104A

Last updated after receiving ObsID 01015873007, version 4

Data were analysed using HEASOFT version 6.35.2

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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)	6.0 (+0.8, -0.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.989 (+0.029, -0.028)
Flux (0.3-10 keV) (Observed)	5.16 (+0.08, -0.08) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.42 (+0.09, -0.09) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.29 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	731.08 (751)
Spectrum exposure	1.7 ks

PC mode. Mean photon arrival: T0+10572 s

N_H (Galactic)	5.09 × 10²⁰ cm^-2
N_H (intrinsic)	7.3 (+3.2, -3.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.89 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	3.45 (+0.22, -0.21) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.23 (+0.22, -0.21) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	395.95 (418)
Spectrum exposure	2.9 ks

Late Time spectrum (T0 + 6068 to 18256 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10572 s

N_H (Galactic)	5.09 × 10²⁰ cm^-2
N_H (intrinsic)	7.3 (+3.2, -3.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.89 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	3.45 (+0.22, -0.21) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.23 (+0.22, -0.21) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	395.95 (418)
Spectrum exposure	2.9 ks