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Swift-XRT spectra of GRB 050509A

Last updated after receiving ObsID 00118707007, version 60

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 + 59 to 5927 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+71 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+4429 s

N_H (Galactic)	4.47 × 10²¹ cm^-2
N_H (intrinsic)	2.5 (+6.9, -2.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	3.30 (+1.40, -0.96) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.0 (+7.1, -2.0) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.47 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	41.27 (48)
Spectrum exposure	852 s

Late Time spectrum (T0 + 4833 to 5927 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5418 s

N_H (Galactic)	4.47 × 10²¹ cm^-2
N_H (intrinsic)	4.4 (+13.5, -4.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.81 (+1.26, -0.91)
Flux (0.3-10 keV) (Observed)	3.3 (+2.5, -1.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+7.2, -2.0) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.13 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.21 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	39.69 (29)
Spectrum exposure	659 s