Star · G8 IV
HD 200964
HD 200964 is a giant star of spectral type G8 IV in the constellation Equuleus, 236.9 light-years from the Sun. It is orbited by 2 confirmed exoplanet(s).
| Other names | HIP 104202 |
|---|---|
| Constellation | Equuleus |
| Distance | 236.9 light-years (72.6 pc) |
| Apparent magnitude | magnitude 6.48 |
| Absolute magnitude | magnitude 2.17 |
| Spectral type | G8 IV |
| Surface temperature | 4,980 K |
| Luminosity | 11.6 L☉ |
| Radius | 4.92 R☉ |
| Mass | 1.39 M☉ |
| Age | 3.0 billion years |
| Metallicity [Fe/H] | -0.15 |
| Right ascension (J2000) | 21h 06m 39.8s |
| Declination (J2000) | +3° 48′ 11″ |
| Space velocity (relative to the Sun) | 80.9 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 6.48). Visible from the whole Northern Hemisphere and south to latitude 86° S. It stands highest at midnight in August, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1789. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.2 million years.
The Sun seen from there
From a planet around HD 200964, the Sun would look like a star of magnitude 9.14, in the direction where our sky has the constellation Hydra. It would be invisible to the naked eye.
Planets
- HD 200964 b 606-day orbit · 13.5 R⊕
- HD 200964 c 853-day orbit · 13.7 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 104735 7.96 light-years
- HIP 104351 10.1 light-years
- HIP 104390 15.2 light-years
- HIP 103391 15.7 light-years
- HIP 105521 16.9 light-years
- HIP 104606 18.5 light-years
- HIP 104535 18.6 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.