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Swift-XRT spectra of GRB 070412

Last updated after receiving ObsID 00275119006, version 23

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 67 to 40635 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+81 s

N_H (Galactic)	2.89 × 10²⁰ cm^-2
N_H (intrinsic)	1.53 (+1.21, -0.94) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.1 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.9 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.30 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	108.92 (156)
Spectrum exposure	36 s

PC mode. Mean photon arrival: T0+13369 s

N_H (Galactic)	2.89 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.94 (+0.24, -0.22)
Flux (0.3-10 keV) (Observed)	1.25 (+0.18, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.60 (+0.18, -0.14) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	173.48 (224)
Spectrum exposure	14.0 ks

Late Time spectrum (T0 + 4001 to 40635 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17919 s

N_H (Galactic)	2.89 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.13 (+0.30, -0.28)
Flux (0.3-10 keV) (Observed)	9.0 (+1.5, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.28 (+0.18, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.21 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.60 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	140.74 (177)
Spectrum exposure	13.4 ks