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Swift-XRT spectra of GRB 070621

Last updated after receiving ObsID 00282808010, version 5

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 116 to 74663 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+158 s

N_H (Galactic)	4.43 × 10²⁰ cm^-2
N_H (intrinsic)	5.0 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.31 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	8.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.816 (+0.078, -0.110) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	523.66 (550)
Spectrum exposure	153 s

PC mode. Mean photon arrival: T0+7590 s

N_H (Galactic)	4.43 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.43 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	3.00 (+0.28, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+0.7, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.20 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	271.85 (287)
Spectrum exposure	12.7 ks

Late Time spectrum (T0 + 4542 to 74663 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19700 s

N_H (Galactic)	4.43 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+1.4, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.5 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	8.7 (+1.5, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.02 (+0.63, -0.18) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	132.51 (158)
Spectrum exposure	11.6 ks