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Swift-XRT spectra of GRB 070628

Last updated after receiving ObsID 00283320000, version 25

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 114 to 83297 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+163 s

N_H (Galactic)	7.22 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.46 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	2.48 (+0.44, -0.27)
Flux (0.3-10 keV) (Observed)	1.11 (+0.24, -0.25) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.86 (+1.31, -0.58) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.04 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	295.50 (336)
Spectrum exposure	99 s

PC mode. Mean photon arrival: T0+22049 s

N_H (Galactic)	7.22 × 10²¹ cm^-2
N_H (intrinsic)	3.3 (+0.9, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	1.94 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	8.8 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.588 (+0.106, -0.090) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	603.30 (631)
Spectrum exposure	33.4 ks

Late Time spectrum (T0 + 5602 to 83297 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25880 s

N_H (Galactic)	7.22 × 10²¹ cm^-2
N_H (intrinsic)	3.3 (+1.0, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	1.95 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	7.2 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.32 (+0.10, -0.08) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	554.53 (606)
Spectrum exposure	32.1 ks