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Swift-XRT spectra of GRB 070419B

Last updated after receiving ObsID 00276212006, version 16

Data were analysed using HEASOFT version 6.29

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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+218 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	1.48 (+0.13, -0.12) × 10²² cm^-2
z of absorber	1.9588
Photon index	1.697 (+0.025, -0.025)
Flux (0.3-10 keV) (Observed)	3.81 (+0.06, -0.06) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.67 (+0.06, -0.06) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	768.90 (836)
Spectrum exposure	301 s

PC mode. Mean photon arrival: T0+13636 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	7.6 (+3.0, -2.8) × 10²¹ cm^-2
z of absorber	1.9588
Photon index	1.44 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	4.44 (+0.20, -0.19) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.97 (+0.18, -0.18) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.77 × 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?	619.98 (624)
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+14231 s

N_H (Galactic)	9.08 × 10²⁰ cm^-2
N_H (intrinsic)	7.6 (+3.1, -2.9) × 10²¹ cm^-2
z of absorber	1.9588
Photon index	1.43 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	4.25 (+0.20, -0.19) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.75 (+0.18, -0.17) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	620.91 (617)
Spectrum exposure	9.1 ks