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Swift-XRT spectra of GRB 090429A

Last updated after receiving ObsID 00350853009, version 18

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 64 to 155174 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+134 s

N_H (Galactic)	5.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.82 (+0.25, -0.23) × 10²¹ cm^-2
z of absorber	0
Photon index	2.15 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	8.5 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.29 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	508.56 (562)
Spectrum exposure	191 s

PC mode. Mean photon arrival: T0+66018 s

N_H (Galactic)	5.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+1.7, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	3.42 (+1.11, -0.79) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.4 (+1.4, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.75 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	74.15 (77)
Spectrum exposure	11.3 ks

Late Time spectrum (T0 + 34827 to 155174 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+66018 s

N_H (Galactic)	5.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+1.7, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	3.42 (+1.11, -0.79) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.4 (+1.4, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.75 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	74.15 (77)
Spectrum exposure	11.3 ks