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Swift-XRT spectra of GRB 210930A

Last updated after receiving ObsID 01075565005, 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 + 143 to 57558 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+230 s

N_H (Galactic)	9.55 × 10¹⁹ cm^-2
N_H (intrinsic)	1.49 (+0.19, -0.17) × 10²² cm^-2
z of absorber	0
Photon index	4.12 (+0.31, -0.29)
Flux (0.3-10 keV) (Observed)	7.5 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.25 (+1.45, -0.75) × 10^-8 erg cm^-2 s^-1
Counts to flux (obs)	2.41 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.25 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	265.26 (285)
Spectrum exposure	63 s

PC mode. Mean photon arrival: T0+5746 s

N_H (Galactic)	9.55 × 10¹⁹ cm^-2
N_H (intrinsic)	6.1 (+2.4, -2.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.9 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+2.2, -1.0) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	145.01 (162)
Spectrum exposure	6.6 ks

Late Time spectrum (T0 + 17146 to 57558 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21894 s

N_H (Galactic)	9.55 × 10¹⁹ cm^-2
N_H (intrinsic)	9 (+78, -9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.45 (+1.30, -0.56)
Flux (0.3-10 keV) (Observed)	7 (+4, -3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.1 (+3.0, -2.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.04 × 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?	34.96 (49)
Spectrum exposure	4.9 ks