Tonatiuh (star)
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Star Tonatiuh |
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| AladinLite | |||||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | giraffe | ||||||||||||
| Right ascension | 12 h 05 m 15.12 s | ||||||||||||
| declination | + 76 ° 54 ′ 20.6 ″ | ||||||||||||
| Apparent brightness | 5.78 likes | ||||||||||||
| Typing | |||||||||||||
| Known exoplanets | 1 | ||||||||||||
| B − V color index | +1.01 | ||||||||||||
| U − B color index | +0.85 | ||||||||||||
| Spectral class | G9 III | ||||||||||||
| Astrometry | |||||||||||||
| Radial velocity | (−20.3 ± 0.4) km / s | ||||||||||||
| parallax | (10.30 ± 0.25) mas | ||||||||||||
| distance | (316.7 ± 7.7) Lj (97.1 ± 2.4) pc |
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| Visual absolute brightness M vis | +0.84 mag | ||||||||||||
| Proper movement | |||||||||||||
| Rec. Share: | (147.68 ± 0.25) mas / a | ||||||||||||
| Dec. portion: | (−91.65 ± 0.19) mas / a | ||||||||||||
| Physical Properties | |||||||||||||
| Dimensions | 1.5 M ☉ | ||||||||||||
| radius | 10.87 (± 0.36) R ☉ | ||||||||||||
| Effective temperature | 6397 K | ||||||||||||
| Metallicity [Fe / H] | −0.35 | ||||||||||||
| Age | 2.95 x 10 9 a | ||||||||||||
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Other names and catalog entries |
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Tonatiuh is a yellow giant 317 light years from Earth with a right ascension of 12h 05m 15s and a declination of + 76 ° 54 ′ 20 ″. It has an apparent magnitude of 5.8 mag. In 2003, Bunei Sato discovered an extrasolar planet orbiting this star. This is called Meztli .
Origin of name
Tonatiuh is named after the Aztec sun god Tonatiuh .