An incisive look at the symbiotic star SS Leporis - Milli-arcsecond imaging with PIONIER/VLTI

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Table 1

Previously estimated parameters of SS Lep.

	System		A star	M star

d [pc]	279 ± 24^a	SpT	A1V ^b	M6III^c
P [d]	260.3 ± 1.8^b	T_eff [K]	9000^c^d	3500^c^d
e	0.024 ± 0.005^b	θ [mas]	0.53 ± 0.02^c	3.11 ± 0.32 ^c
i	30° ± 10°^c	R [R_⊙]	~15^c	110 ± 30^c
f(M)	0.261 ± 0.005^b	F [%]	11 ± 7^c	60 ± 50^c
1/q	4 ± 1^b^c	M [M_⊙]	2 ~ 3^a^b	0.4 ~ 1^a^b

Notes. d is the distance, P the orbital period, e the eccentricity, i the inclination, f(M) the mass function, q = M_M/M_A the mass ratio. For the stars, SpT is the spectral type, T_eff the temperature, θ the apparent diameter, R the linear radius, F the flux contribution at 2.2 μm, and M the mass.

References.

^(a)

Van Leeuwen (2007);

^(b)

Welty & Wade (1995);

^(c)

Verhoelst et al. (2007);

^(d)

Blondel et al. (1993).

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