Looking through the photoionisation wake: Vela X−1 at φorb ≈ 0.75 with Chandra/HETG

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Table 2.

Features detected in the Fe region (1.6–2.5 Å) with the detection parameter α and the best-fit values.

Line	BB	Ref. wavelength	Det. wavelength	Line flux	τ
	α	(Å)	(Å)	(ph s⁻¹ cm⁻² × 10⁻⁴)
Fe Kα	157	1.9375 ^(a)	1.9388 ± 0.0006	9.4 ± 0.8	–
Fe K edge	47	1.7433 ^(b)	1.742 ± 0.003	–	0.31 ± 0.03

Notes. The width of the Fe Kα line was fixed to 0.003 Å.

^(a)

Drake (1988).

^(b)

Bearden & Burr (1967).

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