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Table 1.
Object and observational information.
| Object | No. of S-values | V (mag) | B − V (mag) |
|---|---|---|---|
| HD 16673 | 61 | 5.79 | 0.524 |
| HD 49933 | 58 | 5.78 | 0.396 |
| HD 75332 | 128 | 6.22 | 0.549 |
| HD 100563 | 76 | 5.76 | 0.480 |
Notes. HD number, the total number of S-values measured with TIGRE, visual magnitude, and the colour index B − V taken from HIPPARCOS catalogue ESA (1997).
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