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Swift-XRT spectra of GRB 070419B

Last updated after receiving ObsID 00276212006, version 16

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.9588 (Kruehler et al. 2012)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 87 to 35106 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+221 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	1.48 (+0.13, -0.13) × 10²² cm^-2
z of absorber	1.9588
Photon index	1.707 (+0.025, -0.025)
Flux (0.3-10 keV) (Observed)	4.02 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.95 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	749.71 (834)
Spectrum exposure	301 s

PC mode. Mean photon arrival: T0+13300 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	8.6 (+2.9, -2.7) × 10²¹ cm^-2
z of absorber	1.9588
Photon index	1.45 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	4.52 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.09 (+0.17, -0.17) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.74 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.34 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	613.92 (641)
Spectrum exposure	9.3 ks

Late Time spectrum (T0 + 4002 to 35106 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13800 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	8.6 (+3.0, -2.8) × 10²¹ cm^-2
z of absorber	1.9588
Photon index	1.45 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	4.35 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.90 (+0.17, -0.17) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	618.66 (634)
Spectrum exposure	9.1 ks