Table 8.
Extinction-corrected Johnson V magnitude (from extinction law) and de-reddened Strömgren colour indices for NY Hya and (constant) check stars.
| Object | V0 (mag) | (b − y)0 (mag) | m0 (mag) | c0 (mag) |
|---|---|---|---|---|
| NY Hya | 8.564 ± 0.057 | 0.439 ± 0.019 | 0.247 ± 0.0093 | 0.3491 ± 0.0078 |
| HD 82074 | 6.250 ± 0.044 | 0.503 ± 0.011 | 0.2872 ± 0.0069 | 0.3059 ± 0.0063 |
| HD 80446 | 9.138 ± 0.048 | 0.380 ± 0.012 | 0.1995 ± 0.0088 | 0.3137 ± 0.0092 |
| HD 80633 | 7.385 ± 0.047 | 0.306 ± 0.012 | 0.1622 ± 0.0079 | 0.4239 ± 0.0073 |
Notes. NY Hya is considered as a single star. The values for NY Hya are valid at orbital phase 0.25. Data for the comparison–check stars were obtained from STILISM with the reddening E(B − V) evaluated at their respective distances (all three are within 78 pc; see text for details).
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