Accretion in the detached post-common-envelope binary LTT 560

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Table 1

Radial velocity parameters.

Feature	K	γ	ϕ
	[km s^-1]	[km s^-1]	[orbits]

Hα_MS^a	231.50 ± 0.51	35.01 ± 0.46	−0.00271(65)
Na I λ8183	233.72 ± 0.33	35.59 ± 0.24	0.00011(24)
Na I λ8195	228.92 ± 0.29	37.96 ± 0.22	−0.00019(22)
TiO cc+λ₀^b	231.17 ± 0.19	37.18 ± 1.28	0.00009(14)
Hα_WD^c	72.70 ± 0.15	55.69 ± 0.14	0.50198(62)
metal_av^d	72.63 ± 0.88	54.24 ± 0.88	0.5009(20)
metal cc+λ₀^e	72.62 ± 0.16	55.20 ± 0.74	0.50018(37)

Notes.

^(a)

Broad Hα component excluding conjunction spectra.

^(b)

K and ϕ via cross-correlation of the range 7000 − 7200 Å, γ from the position of 15 red absorption lines.

^(c)

Narrow Hα component excluding conjunction spectra.

^(d)

Average of the radial velocity parameters of 16 blue metal lines.

^(e)

K and ϕ via cross-correlation of the range 3810 − 3870 Å, γ averaged from the positions of 31 metal lines.

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