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Table 4
Parameters of the seven brightest members of NGC 637 derived from Strömgren photometry.
| # | Teff | Log g | E(b − y) | MV | Log L | V − MV |
| (kK) | (dex) | (mag) | (mag) | (L⊙) | (mag) | |
|
|
||||||
| 1 | 25.5 | 3.6 | 0.470 | −3.51 | 4.29 | 13.49 |
| 3 | 22.6 | 4.2 | 0.470 | −2.39 | 3.72 | 12.97 |
| 4 | 23.6 | 3.9 | 0.499 | −2.93 | 3.98 | 13.71 |
| 6 | 25.9 | 3.9 | 0.487 | −3.29 | 4.21 | 13.64 |
| 7 | 24.3 | 4.0 | 0.469 | −2.91 | 4.00 | 13.58 |
| 137 | 22.4 | 4.4 | 0.451 | −2.13 | 3.61 | 12.92 |
| 138 | 24.9 | 3.9 | 0.439 | −3.06 | 4.08 | 13.22 |
Notes. # is the WEBDA identification of the stars. The error on Teff is about ± 4%, and 0.2 dex in log g.
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