Open Access
Table 1
Magnitudes and astrometric data for the stars analyzed in this work.
| Star | V | α J2000 | δ J2000 | μα (mas/yr) | μδ (mas/yr) | π (mas) | S/N at 5500 Å |
|---|---|---|---|---|---|---|---|
| HD 28548 | 9.22 | 04 2927.25 | −15 0151.11 | 2.495 | −3.701 | 4.2647 | 350 |
| HD 25674 | 8.69 | 04 0401.82 | −11 4454.17 | 2.024 | −5.578 | 5.0265 | 320 |
| BD-06984 | 10.43 | 04 4514.91 | −06 3906.94 | 3.037 | −2.074 | 3.9520 | 350 |
| BD-08 924 | 9.76 | 04 4326.32 | −08 3053.88 | −0.971 | −3.464 | 3.9709 | 310 |
| BD-12 905 | 10.23 | 04 2836.89 | −12 0906.36 | 2.843 | −3.377 | 4.1881 | 280 |
| HD 36726 | 8.82 | 05 3351.73 | −00 0436.34 | −2.940 | −4.521 | 3.1016 | 330 |
| HD 37333 | 8.51 | 05 3740.47 | −02 2636.84 | −2.686 | −3.494 | 2.9822 | 240 |
| HD 37187 | 8.15 | 05 3637.07 | −01 0140.77 | −3.081 | −3.896 | 2.8306 | 340 |
| HD 290541 | 10.07 | 05 3059.84 | −02 0202.48 | −2.739 | −4.352 | 3.1279 | 350 |
| HD 290621 | 10.65 | 05 3421.90 | +00 4056.67 | −2.715 | −4.385 | 2.9754 | 290 |
Notes. The two groups correspond (in principle) to the clusters HSC 1640 and Theia 139. However, some of the stars then resulted as non-members (see Sect. 4).
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