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Swift-XRT spectra of GRB 150430A

Last updated after receiving ObsID 00639433001, version 10

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 100 to 23715 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+148 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	4.6 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.31 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	5.73 (+0.27, -0.26) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.14 (+0.08, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.36 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.69 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	476.64 (542)
Spectrum exposure	207 s

PC mode. Mean photon arrival: T0+5970 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.09 (+0.14, -0.14)
Flux (0.3-10 keV) (Observed)	7.2 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.20 (+0.10, -0.09) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.15 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	348.59 (383)
Spectrum exposure	10.3 ks

Late Time spectrum (T0 + 4001 to 23715 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8154 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	3.3 (+0.7, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	4.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.3 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	310.19 (336)
Spectrum exposure	9.9 ks