Swift/XRT spectra of GRB 090709A

Last updated using ObsID 00356890259, version 1

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Time-averaged spectrum (T0 + 74 to 67832 s)

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WT and PC mode spectra of GRB 090709A

WT mode. Mean photon arrival: T0+237 s

N_H (Galactic)	6.6e+20 cm^-2
N_H (intrinsic)	1.49 (+0.13, -0.12) x 10²¹ cm^-2
z of absorber	0
Photon index	1.803 (+0.040, -0.039)
Flux (0.3-10 keV) (Observed)	1.979 (+0.041, -0.043) x 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.7 x 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.3 x 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.8 x 10^-11 erg cm^-2 ct^-1
C-stat (dof)	940.91 (787)
Exposure time	394 s

PC mode. Mean photon arrival: T0+18203 s

N_H (Galactic)	6.6e+20 cm^-2
N_H (intrinsic)	2.03 (+0.24, -0.23) x 10²¹ cm^-2
z of absorber	0
Photon index	2.081 (+0.076, -0.074)
Flux (0.3-10 keV) (Observed)	1.942 (+0.073, -0.075) x 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 x 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.2 x 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.7 x 10^-11 erg cm^-2 ct^-1
C-stat (dof)	526.80 (603)
Exposure time	16.8 ks

Late Time spectrum (T0 + 4075 to 62658 s)

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WT and PC mode spectra of GRB 090709A

WT mode. Mean photon arrival: T0+4091 s

N_H (Galactic)	6.6e+20 cm^-2
N_H (intrinsic)	2.6 (+2.2, -1.7) x 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.58, -0.52)
Flux (0.3-10 keV) (Observed)	1.33 (+0.35, -0.38) x 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.2 x 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.6 x 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.0 x 10^-11 erg cm^-2 ct^-1
C-stat (dof)	71.24 (95)
Exposure time	34 s

PC mode. Mean photon arrival: T0+20915 s

N_H (Galactic)	6.6e+20 cm^-2
N_H (intrinsic)	2.23 (+0.28, -0.27) x 10²¹ cm^-2
z of absorber	0
Photon index	2.117 (+0.086, -0.083)
Flux (0.3-10 keV) (Observed)	1.560 (+0.066, -0.070) x 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 x 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.1 x 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.9 x 10^-11 erg cm^-2 ct^-1
C-stat (dof)	517.99 (569)
Exposure time	16.9 ks