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Table 1

Be abundances and errors for the eight solar twins and the Sun, together with the inferred macroturbulence, vsini, and ages of the stars.

Star Vmacro/vsini A(Be) Parama/obsb/totalc Age
(km s-1) (dex) (dex) (Gyr)

HD 20630 3.5/4.2 1.44 0.03/0.03/0.04
HD 202628 3.7/2.4 1.51 0.01/0.04/0.04
HIP 30502 3.5/1.6 1.43 0.01/0.03/0.03
HIP 73815 3.6/1.7 1.49 0.01/0.03/0.03
HIP 77883 3.4/1.8 1.42 0.01/0.02/0.02
HIP 89650 3.8/1.7 1.47 0.01/0.02/0.02
18Sco 3.7/2.0 1.52 0.01/0.03/0.03
HIP 102152 3.5/1.8 1.41 0.01/0.04/0.04
Sun 3.6/1.9 1.38 0.00/0.01/0.01 4.6

Notes.

(a)

Errors due to stellar parameters.

(b)

Observational errors.

(c)

Quadric sum of the observational and systematic errors.

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