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Swift-XRT spectra of GRB 080430

Last updated after receiving ObsID 00310613033, version 13.

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The spectral fits assume a redshift: 0.767 (GCN 7654)

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Time-averaged spectrum (T0 + 55 to 80996 s)

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WT and PC mode spectra of GRB 080430

WT mode. Mean photon arrival: T0+85 s

N_H (Galactic)	9.6 × 10¹⁹ cm^-2
N_H (intrinsic)	2.51 (+0.77, -0.70) × 10²¹ cm^-2
z of absorber	0.767
Photon index	2.50 (+0.20, -0.18)
Flux (0.3-10 keV) (Observed)	5.36 (+0.49, -0.47) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.91 (+0.70, -0.62) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.8 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	246.68 (283)
Exposure time	83 s

PC mode. Mean photon arrival: T0+25352 s

N_H (Galactic)	9.6 × 10¹⁹ cm^-2
N_H (intrinsic)	3.30 (+0.58, -0.55) × 10²¹ cm^-2
z of absorber	0.767
Photon index	2.035 (+0.085, -0.084)
Flux (0.3-10 keV) (Observed)	3.43 (+0.18, -0.17) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.53 (+0.22, -0.20) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.7 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	437.59 (468)
Exposure time	30.7 ks

Late Time spectrum (T0 + 5606 to 80996 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of GRB 080430

PC mode. Mean photon arrival: T0+31123 s

N_H (Galactic)	9.6 × 10¹⁹ cm^-2
N_H (intrinsic)	3.67 (+0.68, -0.64) × 10²¹ cm^-2
z of absorber	0.767
Photon index	2.058 (+0.096, -0.094)
Flux (0.3-10 keV) (Observed)	2.63 (+0.15, -0.14) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.56 (+0.19, -0.18) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.8 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	443.88 (434)
Exposure time	29.2 ks