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Swift-XRT spectra of GRB 210209A

Last updated after receiving ObsID 01031636006, 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 + 122 to 52665 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+164 s

N_H (Galactic)	3.67 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.07 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.77 (+0.07, -0.05)
Flux (0.3-10 keV) (Observed)	7.24 (+0.34, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.8 (+0.4, -0.7) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.26 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	486.25 (549)
Spectrum exposure	139 s

PC mode. Mean photon arrival: T0+11844 s

N_H (Galactic)	3.67 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.84 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.91 (+0.07, -0.06)
Flux (0.3-10 keV) (Observed)	1.46 (+0.08, -0.06) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.060 (+0.088, -0.147) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.12 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	430.44 (486)
Spectrum exposure	10.2 ks

Late Time spectrum (T0 + 4330 to 52665 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16921 s

N_H (Galactic)	3.67 × 10²¹ cm^-2
N_H (intrinsic)	0 (+4.62 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.906 (+0.125, -0.058)
Flux (0.3-10 keV) (Observed)	8.6 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.25 (+0.07, -0.10) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	374.69 (420)
Spectrum exposure	9.5 ks