| Subject |
has right ascension |
has spectral type |
has declination |
is part of |
has surface temperature |
is an instance of |
has V magnitude |
has color |
has been observ |
has B-V magnitude |
has distance |
has absorption line |
is usually part of |
is a kind of |
has apparent magnitude |
has synonym |
has definition |
|---|
| naked eye star | | | | Milky Way | greater than 1000 Kelvin | | | | for many centuries | | | | asterism | naked eye object | brighter than 5 | | A star visible without visual aids |
| white supergiant | | O, B, A, and early F | | | 10000 K | | | white | | | | H I | | A star | | | A supergiant star with a spectral type of A. White supergiants are rare; the nearest is Deneb, which lies 1500 light-years away. |
| Deneb | 20 41 25.8 | A2Iae | +45 16 49 | Milky Way | 10000 K | naked eye star | 1.25 | white | for many centuries | 0.09 | 430 pc | H I | asterism | | brighter than 5 | HR 7924 | An A2 Ia supergiant at the head of the Northern Cross. Most distant first-magnitude star. |
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