Table 3
Radial velocities and equivalent widths of Hα, Hβ, Hγ, Hδ, Hϵ, He i λ5876 Å, Ca ii HK, and Li λ6708 Å lines measured for each spectrum.
| JD | V rad | E W Hα | E W Hβ | E W Hγ | E W Hδ | E W Hϵ | E W He 5876 | E W Ca ii H | E W Ca ii K | E W Li a |
| (+2 450 000) | (kms-1) | (Å) | (Å) | (Å) | (Å) | (Å) | (Å) | (Å) | (Å) | (mÅ) |
|
|
||||||||||
| BD−21 1074A | ||||||||||
| 6302.148 | 22.152 ± 0.002 | 2.7 ± 0.2 | 2.2 ± 0.1 | 2.0 ± 0.2 | 1.8 ± 0.1 | 2.1 ± 0.2 | 0.15 ± 0.03 | 6.0 ± 0.3 | 8.3 ± 1.0 | 31 ± 5 |
| 6305.141 | 22.022 ± 0.002 | 2.9 ± 0.2 | 2.3 ± 0.1 | 2.1 ± 0.1 | 2.0 ± 0.1 | 2.2 ± 0.3 | 0.13 ± 0.03 | 6.2 ± 0.3 | 8.5 ± 0.6 | 32 ± 5 |
|
|
||||||||||
| BD−21 1074B | ||||||||||
| 6302.137 | 23.195 ± 0.003 | 5.4 ± 0.3 | 4.7 ± 0.2 | 4.7 ± 0.2 | 3.8 ± 0.3 | 3.4 ± 0.6 | 0.32 ± 0.04 | 7.9 ± 0.6 | 10.3 ± 0.6 | 19 ± 5 |
| 6303.129 | 23.194 ± 0.003 | 5.4 ± 0.2 | 4.8 ± 0.2 | 4.8 ± 0.2 | 3.6 ± 0.2 | 3.7 ± 0.4 | 0.28 ± 0.06 | 8.2 ± 0.5 | 11.5 ± 0.8 | 17 ± 5 |
| 6305.129 | 22.769 ± 0.004 | 6.0 ± 0.1 | 5.2 ± 0.2 | 5.1 ± 0.2 | 3.6 ± 0.2 | 3.7 ± 0.5 | 0.38 ± 0.04 | 8.1 ± 0.5 | 11.5 ± 0.7 | 16 ± 5 |
Notes. The lithium EWs were measured through direct integration using the IRAF splot task. Errors in lithium EWs represent the standard deviations of three EW measurements.
The contribution of the Fe i line at λ6707.44 Å to the Li line was subtracted using the empirical correction of Soderblom et al. (1993).
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