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Swift-XRT spectra of GRB 210104B

Last updated after receiving ObsID 01015919003, 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 + 84 to 45258 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+89 s

N_H (Galactic)	2.67 × 10²¹ cm^-2
N_H (intrinsic)	4 (+6, -4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.63 (+1.12, -0.79)
Flux (0.3-10 keV) (Observed)	1.5 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.5 (+24.4, -2.0) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	35.14 (51)
Spectrum exposure	14 s

PC mode. Mean photon arrival: T0+8205 s

N_H (Galactic)	2.67 × 10²¹ cm^-2
N_H (intrinsic)	8.4 (+2.6, -2.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.22 (+0.27, -0.25)
Flux (0.3-10 keV) (Observed)	5.3 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.21 (+0.34, -0.18) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.04 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	226.21 (281)
Spectrum exposure	6.5 ks

Late Time spectrum (T0 + 5047 to 45258 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13302 s

N_H (Galactic)	2.67 × 10²¹ cm^-2
N_H (intrinsic)	6.4 (+2.9, -2.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.00 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	3.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.84 (+1.77, -0.95) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	151.62 (212)
Spectrum exposure	5.8 ks