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Swift-XRT spectra of GRB 180102A

Last updated after receiving ObsID 00802999003, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 73 to 29651 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+76 s

N_H (Galactic)	1.88 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+15.4, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.4 (-2.4, -2.0)
Flux (0.3-10 keV) (Observed)	6.0 (+20.1, -4.0) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	10 (+1.00 × 10¹¹, +99999999990) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	1.26 (2)
Spectrum exposure	7 s

PC mode. Mean photon arrival: T0+4512 s

N_H (Galactic)	1.88 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+1.4, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.18 (+0.31, -0.28)
Flux (0.3-10 keV) (Observed)	1.37 (+0.23, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.3 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.89 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	138.30 (183)
Spectrum exposure	9.0 ks

Late Time spectrum (T0 + 5256 to 29651 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11399 s

N_H (Galactic)	1.88 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+2.5, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	6.7 (+2.1, -1.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.2 (+2.6, -1.6) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.69 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.11 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	60.96 (85)
Spectrum exposure	7.1 ks