Spectroscopic binaries among Hipparcos M giants - II. Binary frequency

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Volume 498 / No 2 (May I 2009)

A&A, 498 2 (2009) 479-488

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Table 2:

Binaries inferred from the high rotational velocity of the giant primary.
HD	HIP	SB?^a	$\sigma_0$	Sb	$V \sin i$	V-I	$T_{\rm eff}$	M_V	R	Rem
			(km s^-1)	(km s^-1)	(km s^-1)		(K)		( $R_{\odot }$ )
10696	8175	-	-	10.5	-	2.3	3590	0.51	43	not a fast rotator; Sb contaminated by close (0.16'') visual companion
190658	98954	y	8.7	8.5	10	2.1	3670	-0.67	63	Ellipsoidal variable, spectroscopic binary with P = 199 d
219654	114985	y	6.1	7.7	14	1.9	3730	-	-	not listed in Table 4b of Paper I because it only belongs to sample I

^a This column provides the diagnostics of spectroscopic binarity based on the location of the star in the $Sb - \sigma_0(V{\rm r})$ diagram (Fig. 1); HD 219654: SB: JD 2448843.634: $5.22\pm 0.4$ km s^-1, JD 2449676.270: $13.84\pm 0.3$ km s^-1.

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