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Swift-XRT spectra of GRB 150728A

Last updated after receiving ObsID 00650617001, version 10

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 79 to 41266 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+2179 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	1.5 (+2.2, -1.2) × 10²³ cm^-2
z of absorber	0
Photon index	2.7 (+3.8, -2.8)
Flux (0.3-10 keV) (Observed)	3.9 (+4.8, -1.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+1.00 × 10¹², -4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	1.10 × 10^-10 erg cm^-2 ct^-1
Counts to flux (unabs)	1.31 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	13.05 (19)
Spectrum exposure	8.3 ks

Late Time spectrum (T0 + 4552 to 41266 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5662 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	3.4 (+22.4, -3.4) × 10²² cm^-2
z of absorber	0
Photon index	0.6 (+4.0, -2.8)
Flux (0.3-10 keV) (Observed)	1.9 (+7.0, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.3 (+2.1, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	1.56 × 10^-10 erg cm^-2 ct^-1
Counts to flux (unabs)	1.89 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	2.53 (4)
Spectrum exposure	7.2 ks