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Swift-XRT spectra of GRB 070509

Last updated after receiving ObsID 00278903003, version 13

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 78 to 41010 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1091 s

N_H (Galactic)	1.19 × 10²¹ cm^-2
N_H (intrinsic)	5.5 (+4.0, -2.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.06 (+0.27, -0.21) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.89 (+1.04, -0.40) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.17 × 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?	72.99 (119)
Spectrum exposure	6.3 ks

Late Time spectrum (T0 + 5524 to 41010 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10654 s

N_H (Galactic)	1.19 × 10²¹ cm^-2
N_H (intrinsic)	1.6 (+6.6, -0.8) × 10²² cm^-2
z of absorber	0
Photon index	7 (+52, -6)
Flux (0.3-10 keV) (Observed)	3.0 (+4.6, -1.8) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3 (+6.28 × 10⁵, +5509) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	1.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.91 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	1.24 (5)
Spectrum exposure	5.0 ks