Mixing at young ages: beryllium abundances in cool main-sequence stars of the open clusters IC 2391 and IC 2602

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Volume 535 (November 2011)

A&A, 535 (2011) A75

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Table 2

Observational data.

Star^a	Other	V	(B − V)	(V − R)	Date of	Exp. Time	S/N^e at
	name	(mag)	(mag)	(mag)	observation	(s)	3130 Å


VXR3a	CD-52 2467	10.95^b	...	0.37^b	16/02/2001	2 × 2400	100
VXR31	Cl* IC 2391 PMM 6478	11.22^b	...	0.37^b	17/02/2001	3 × 2400	20
VXR67a	Cl* IC 2391 PMM 5859	11.71^b	...	0.52^b	16/02/2001	4 × 1800	55
VXR70	CD-52 2524	10.85^b	...	0.38^b	17/02/2001	2 × 2400	115
VXR72	TYC 8569-230-1	11.46^b	...	0.43^b	18/02/2001	4 × 1800	70
SHJM2	CPD-52 1614	10.30^b	0.57^c	0.33^b	16/02/2001	2 × 1200	90


R1	TYC 8960-1957-1	11.57^d	0.91^d	...	16/02/2001	4 × 1800	75
R14	TYC 8964-606-1	11.57^d	0.87^d	...	17-18/02/2001	4 × 1800 + 1 × 1650	75
R15	TYC 8964-73-1	11.75^d	0.93^d	...	18/02/2001	5 × 1800	60
R66	CPD-63 1624	11.07^d	0.68^d	...	16/02/2001	2 × 1800	80
R70	HD 307926	10.92^d	0.69^d	...	18/02/2001	2 × 2400	80
R92	HD 308013	10.26^d	0.67^d	...	16/02/2001	2 × 1200	70

Notes. Stars from IC 2391 in the upper part of the table and from IC 2602 in the lower part.

^(a)

Identifiers for IC 2391 are from Patten & Simon (1996, VXR#) and Stauffer et al. (1989, SHJM#). For IC 2602 they are from Randich et al. (1995).

^(b)

VR photometry from Patten & Simon (1996).

^(c)

(B − V) color of SHJM2 from Stauffer et al. (1989).

^(d)

BV photometry from Prosser et al. (1996) and Randich et al. (1995).

^(e)

Average S/N around 3130 Å in the combined spectrum.

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