Star · F8/G0 IV/V
HD 224538
HD 224538 is a main-sequence star of spectral type F8/G0 IV/V in the constellation Tucana, 258.0 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | HIP 118228 |
|---|---|
| Constellation | Tucana |
| Distance | 258.0 light-years (79.1 pc) |
| Apparent magnitude | magnitude 8.06 |
| Absolute magnitude | magnitude 3.57 |
| Spectral type | F8/G0 IV/V |
| Surface temperature | 6,100 K |
| Luminosity | 2.95 L☉ |
| Radius | 1.54 R☉ |
| Mass | 1.23 M☉ |
| Age | 2.0 billion years |
| Metallicity [Fe/H] | 0.27 |
| Right ascension (J2000) | 23h 58m 51.7s |
| Declination (J2000) | −61° 35′ 12″ |
| Space velocity (relative to the Sun) | 33.8 km/s |
In the sky
Too faint for the naked eye (magnitude 8.06); binoculars will find it. Visible from the whole Southern Hemisphere and north to latitude 28° N. South of latitude 28° S it never sets. It stands highest at midnight in September, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1768. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.6 million years.
The Sun seen from there
From a planet around HD 224538, the Sun would look like a star of magnitude 9.32, in the direction where our sky has the constellation Ursa Major. It would be invisible to the naked eye.
Planets
- HD 224538 b 1,200-day orbit · 12.7 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 118179 6.56 light-years
- HIP 116612 19.4 light-years
- HIP 118169 20.0 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.