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Swift-XRT spectra of GRB 150430A

Last updated after receiving ObsID 00639433001, version 10

Data were analysed using HEASOFT version 6.35.2

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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	2.30 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	5.93 (+0.27, -0.26) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.17 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.67 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	479.66 (541)
Spectrum exposure	207 s

PC mode. Mean photon arrival: T0+6009 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+0.7, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.07 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	7.5 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.22 (+0.08, -0.09) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.16 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	331.92 (378)
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+8406 s

N_H (Galactic)	2.52 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.04 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	4.7 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.2 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	291.99 (328)
Spectrum exposure	9.9 ks