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Swift-XRT spectra of GRB 110420A

Last updated after receiving ObsID 00451757021, version 14.

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Time-averaged spectrum (T0 + 93 to 42233 s)

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WT and PC mode spectra of GRB 110420A

WT mode. Mean photon arrival: T0+114 s

N_H (Galactic)	1.3 × 10²⁰ cm^-2
N_H (intrinsic)	1.54 (+0.51, -0.42) × 10²¹ cm^-2
z of absorber	0
Photon index	3.79 (+0.39, -0.32)
Flux (0.3-10 keV) (Observed)	2.94 (+0.22, -0.21) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.14 (+0.57, -0.13) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.0 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.8 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	187.59 (187)
Exposure time	57 s

PC mode. Mean photon arrival: T0+12031 s

N_H (Galactic)	1.3 × 10²⁰ cm^-2
N_H (intrinsic)	1.29 (+0.21, -0.20) × 10²¹ cm^-2
z of absorber	0
Photon index	2.049 (+0.080, -0.078)
Flux (0.3-10 keV) (Observed)	1.096 (+0.046, -0.043) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.521 (+0.055, -0.063) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.1 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	469.76 (550)
Exposure time	17.4 ks

Late Time spectrum (T0 + 5133 to 42233 s)

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PC mode spectrum of GRB 110420A

PC mode. Mean photon arrival: T0+15970 s

N_H (Galactic)	1.3 × 10²⁰ cm^-2
N_H (intrinsic)	1.16 (+0.23, -0.22) × 10²¹ cm^-2
z of absorber	0
Photon index	1.987 (+0.091, -0.088)
Flux (0.3-10 keV) (Observed)	7.80 (+0.38, -0.36) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.038 (+0.043, -0.045) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	477.38 (511)
Exposure time	15.9 ks