On the binarity of the classical Cepheid X Sagittarii from interferometric observations

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Table 3

Recent X Sgr radius estimates.

Article	Radius [R_⊙]

This paper	53 ± 3
This paper^a	55 ± 4
Kervella et al. (2004)	53 ± 3
Storm et al. (2011) ^b	50 ± 3
Groenewegen^b^c	49 ± 3

Notes.

^(a)

Solution obtained by neglecting the presence of the companion.

^(b)

IRSB method.

^(c)

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