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Swift-XRT spectra of GRB 220430A

Last updated after receiving ObsID 01104692001, version 12

Data were analysed using HEASOFT version 6.29

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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+185 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	4.0 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.65 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	1.80 (+0.05, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.72 (+0.08, -0.08) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	773.84 (812)
Spectrum exposure	539 s

PC mode. Mean photon arrival: T0+12506 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	3.6 (+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)	1.15 (+0.09, -0.08) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.91 (+0.23, -0.17) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	398.95 (437)
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+15922 s

N_H (Galactic)	6.47 × 10²¹ cm^-2
N_H (intrinsic)	3.0 (+2.0, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.84 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	7.4 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.23 (+0.17, -0.12) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.54 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	335.23 (396)
Spectrum exposure	10.1 ks