Alpha Virginis: line-profile variations and orbital elements

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Table 5

Longitude of periastron.

Epoch	JD	ω _per	Reference
(year)	−2 400 000	(deg)

1889	11 158	272 ± 26	estimated²
1908	17 955	328 ± 9	Allegheny¹
1934	26 041	39 ± 9	Yerkes¹
1956	35 563	97 ± 8	³
1969	40 284	145 ± 7	⁴
1970	40 678	132 ± 8	HE71
1970	40 690	129 ± 7	Duke (1974)
2000	51 654	233 ± 0.5	this paper
2008	54 547	258 ± 0.5	this paper
2013	56 451	277 ± 0.5	this paper

Notes.

⁽¹⁾

Redetermined by Shobbrook et al. (1972);

⁽²⁾

Luyten & Ebbighausen (1935);

⁽³⁾

Shobbrook et al. (1972);

⁽⁴⁾

computed in Shobbrook et al. (1972).

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