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Tau-3
Its story
Tau-3 Gruis is an Am star, a peculiar category whose spectrum mixes the fingerprints of several different stellar types at once: the calcium lines of an A5, the hydrogen lines of an A7, the metal lines of an F2. A star of ambiguous identity within the silhouette of the southern Crane.
- Constellation
- Grus
- Apparent magnitude
- 5.72
- Distance
- 243.4 light years
- Coordinates (J2000)
- RA 344.199° · Dec -47.969°
- Catalogue
- HIP 113307 · HD 216823
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