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Swift-XRT spectra of GRB 260120B

Last updated after receiving ObsID 01442454001, version 14

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 149 to 29474 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+155 s

N_H (Galactic)	7.37 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+8, -3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+2.2, -1.3)
Flux (0.3-10 keV) (Observed)	9.7 (+12.6, -5.4) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.7 (+4.6, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	24.50 (28)
Spectrum exposure	13 s

PC mode. Mean photon arrival: T0+4183 s

N_H (Galactic)	7.37 × 10²⁰ cm^-2
N_H (intrinsic)	1.38 (+1.23, -0.98) × 10²¹ cm^-2
z of absorber	0
Photon index	1.96 (+0.29, -0.27)
Flux (0.3-10 keV) (Observed)	4.2 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.71 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.06 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	184.54 (207)
Spectrum exposure	5.7 ks

Late Time spectrum (T0 + 5351 to 29474 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10392 s

N_H (Galactic)	7.37 × 10²⁰ cm^-2
N_H (intrinsic)	5.3 (+22.4, -5.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.6 (+0.5, -0.3)
Flux (0.3-10 keV) (Observed)	1.7 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.0 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.48 × 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?	73.09 (106)
Spectrum exposure	5.0 ks