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Swift-XRT spectra of GRB 120102A

Last updated after receiving ObsID 00510922007, version 6

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 119 to 74220 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+132 s

N_H (Galactic)	1.47 × 10²¹ cm^-2
N_H (intrinsic)	6.6 (+12.7, -6.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.4 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	2.5 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.22 (+1.65, -0.73) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	94.37 (133)
Spectrum exposure	35 s

PC mode. Mean photon arrival: T0+17731 s

N_H (Galactic)	1.47 × 10²¹ cm^-2
N_H (intrinsic)	1.9 (+0.3, -0.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.87 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	1.69 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.39 (+0.08, -0.08) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.66 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	624.51 (611)
Spectrum exposure	19.4 ks

Late Time spectrum (T0 + 4528 to 74220 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19910 s

N_H (Galactic)	1.47 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.94 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	1.32 (+0.06, -0.06) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.95 (+0.07, -0.04) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	559.32 (584)
Spectrum exposure	18.4 ks