Rest-frame stacking of 2XMM catalog sources - Properties of the Fe Kα line

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Volume 537 (January 2012)

A&A, 537 (2012) A6

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Table 1

Results of the “averaged ratio flux spectrum” spectral fitting in the 3–10 keV.

Model

Power law/pexrav

Gaussian

Diskline

foldE

R_Dist

cosi

E_Kα

σ_Kα

EW_Kα

E_Disk

R_in

R_out

χ²/d.o.f.

(keV)

(Ω/2π)

(keV)

(eV)

(keV)

(R_g)

(deg)

(eV)

Pow + Narrow

1.76 ± 0.02

...

6.40^*

0.01^*

45 ± 13

...

31.3/19

Pow + Broad

1.77 ± 0.02

...

6.40^*

75 ± 40

...

25.6/18

Pow + Disk

1.78ⁿ

...

6.40^*

6.0^*

100.0^*

−2.5^*

35.3ⁿ

128 ± 41

41.6/18

Pow + Narrow + Broad

1.78 ± 0.02

...

6.40^*

0.01^*

28 ± 20

...

6.40^*

73 ± 43

...

22.8/17

Pow + Narrow + Disk

1.78 ± 0.02

...

6.40^*

0.01^*

39 ± 14

6.40^*

6.0^*

100.0^*

−2.5^*

22.7/17

Pow + pexrav + Narrow + Broad

1.8^*

200^*

0.27 ± 0.17

0.9^*

6.40^*

0.01^*

28 ± 20

...

6.40^*

< 105

...

21.6/17

Pow + pexrav + Narrow + Disk

1.8^*

200^*

0.24 ± 0.17

0.9^*

6.40^*

0.01^*

37 ± 14

6.40^*

6.0^*

100.0^*

−2.5^*

45.5 ± 3.5

<137

21.5/17

Notes. All errors and upper limits refer to the 68% confidence range for a single parameter. In all the spectral fits, the errors in the Fe lines EW are calculated using XSPEC eqw with err option.

^(*)

Denotes fixed parameter.

⁽ⁿ⁾

Error calculation is not possible due to poor fit.

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