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Swift-XRT spectra of GRB 220430A

Last updated after receiving ObsID 01104692005, version 11

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 55 to 61844 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+189 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	3.7 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.64 (+0.06, -0.05)
Flux (0.3-10 keV) (Observed)	1.54 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.30 (+0.07, -0.06) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.58 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	774.58 (793)
Spectrum exposure	539 s

PC mode. Mean photon arrival: T0+12214 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	4.1 (+1.9, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.83 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	1.18 (+0.09, -0.08) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.98 (+0.24, -0.18) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.23 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	398.11 (455)
Spectrum exposure	10.4 ks

Late Time spectrum (T0 + 4215 to 61844 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15290 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	3.8 (+2.0, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.86 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	7.8 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.33 (+0.18, -0.13) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	355.46 (407)
Spectrum exposure	10.1 ks