HD 4313
A G-type subgiant with a superjovian exoplanet in Pisces.
HD 4313 is a single G-type subgiant star in Pisces, hosting a superjovian exoplanet discovered in 2010. The star has exhausted core hydrogen and is expanding toward becoming a red giant. With an apparent visual magnitude of 7.83, it is too faint for unaided-eye observation.
Quick Facts
- Apparent visual magnitude
- 7.83
- Distance
- 446 light years
- Radial velocity
- 14.5 km/s
- Spectral type
- G-type subgiant
- Mass
- nearly twice the Sun (estimates differ)
- Effective temperature
- 4,966 K
- Age
- around two billion years
- Projected rotational velocity
- 1.9 km/s
Facts from the source article.
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