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Swift-XRT spectra of GRB 210307A

Last updated after receiving ObsID 01036139006, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 97 to 39957 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+143 s

N_H (Galactic)	1.45 × 10²¹ cm^-2
N_H (intrinsic)	0 (+5.68 × 10¹⁹, -0) cm^-2
z of absorber	0
Photon index	1.489 (+0.050, -0.023)
Flux (0.3-10 keV) (Observed)	1.79 (+0.05, -0.06) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.991 (+0.052, -0.111) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.55 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.07 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	702.74 (676)
Spectrum exposure	149 s

PC mode. Mean photon arrival: T0+17755 s

N_H (Galactic)	1.45 × 10²¹ cm^-2
N_H (intrinsic)	4 (+6, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.76 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	6.6 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.2 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	288.70 (331)
Spectrum exposure	6.8 ks

Late Time spectrum (T0 + 11693 to 39957 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24904 s

N_H (Galactic)	1.45 × 10²¹ cm^-2
N_H (intrinsic)	8 (+8, -7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.92 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	4.0 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	232.77 (272)
Spectrum exposure	6.2 ks