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Swift-XRT spectra of GRB 180222A

Last updated after receiving ObsID 00811235004, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 24229 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+106 s

N_H (Galactic)	6.65 × 10²¹ cm^-2
N_H (intrinsic)	9 (+9, -7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.5 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	3.0 (+0.7, -0.6) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.53 (+1.86, -0.84) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	6.38 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	131.45 (177)
Spectrum exposure	54 s

PC mode. Mean photon arrival: T0+2524 s

N_H (Galactic)	6.65 × 10²¹ cm^-2
N_H (intrinsic)	1.7 (+1.8, -1.2) × 10²² cm^-2
z of absorber	0
Photon index	1.7 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	1.3 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.25 (+2.54, -0.64) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	7.36 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.32 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	128.23 (128)
Spectrum exposure	10.4 ks

Late Time spectrum (T0 + 4683 to 24229 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12901 s

N_H (Galactic)	6.65 × 10²¹ cm^-2
N_H (intrinsic)	0 (+5.64 × 10²², -0) cm^-2
z of absorber	0
Photon index	0.3 (+2.0, -1.1)
Flux (0.3-10 keV) (Observed)	5.2 (+2.5, -3.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+7.1, -3.0) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	1.45 × 10^-10 erg cm^-2 ct^-1
Counts to flux (unabs)	1.54 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	31.09 (26)
Spectrum exposure	9.2 ks