Table 1
Spectroscopically observed stars encompassing NGC 7790.
| ID | RA/Dec (J2000) | SpTa | Vsini (km s-1)b | Teff (±100 K)b | log g (±0.03 dex)b |
|
|
|||||
| 0c | 23:58:07.40 +61:11:44.9 | B1V | 150 | 24 500 | 4.11 |
| 1 | 23:58:28.10 +61:12:03.1 | B5IV | 170 | 14 700 | 3.63 |
| 2 | 23:58:23.19 +61:12:25.0 | B7IV | 220 | 13 400 | 3.72 |
| 3 | 23:58:29.05 +61:12:41.4 | B8IV | 0 | 13 400 | 3.98 |
| 4 | 23:58:30.68 +61:12:18.7 | B8IV | 190 | 14 000 | 3.60 |
| 5 | 23:58:31.32 +61:12:49.8 | B6IV | 190 | 13 000 | 3.73 |
Notes.
Classified by visual inspection using the precepts outlined by Gray & Corbally (2009).
Inferred from synthetic spectra fits to the observations (Sect. 2.2.1). The statistical uncertainties produced by the fitting routine are cited and may underestimate the combined uncertainty by 2–4× (Napiwotzki 1999, priv. comm.).
Spectroscopic parameters for evolved M 25 stars are also presented by Luck et al. (2000, their Table 2).
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