Star · G8 V
HD 21693
HD 21693 is a main-sequence star of spectral type G8 V in the constellation Reticulum, 108.6 light-years from the Sun. It is orbited by 2 confirmed exoplanet(s).
| Other names | HIP 16085 |
|---|---|
| Constellation | Reticulum |
| Distance | 108.6 light-years (33.3 pc) |
| Apparent magnitude | magnitude 7.95 |
| Absolute magnitude | magnitude 5.34 |
| Spectral type | G8 V |
| Surface temperature | 5,430 K |
| Luminosity | 0.62 L☉ |
| Radius | 0.914 R☉ |
| Mass | 0.8 M☉ |
| Metallicity [Fe/H] | 0.00 |
| Right ascension (J2000) | 3h 27m 12.5s |
| Declination (J2000) | −58° 19′ 25″ |
| Space velocity (relative to the Sun) | 57.8 km/s |
In the sky
Too faint for the naked eye (magnitude 7.95); binoculars will find it. Visible from the whole Southern Hemisphere and north to latitude 32° N. South of latitude 32° S it never sets. It stands highest at midnight in November, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1917. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.9 million years.
The Sun seen from there
From a planet around HD 21693, the Sun would look like a star of magnitude 7.44, in the direction where our sky has the constellation Draco. It would be invisible to the naked eye.
Planets
- HD 21693 b 22.7-day orbit · 2.8 R⊕
- HD 21693 c 53.7-day orbit · 4.34 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- WISEA J032049.31-532656.7 9.41 light-years
- Tupi 10.8 light-years
- HIP 13886 11.1 light-years
- HIP 15539 12.8 light-years
- β Ret 12.9 light-years
- HIP 18343 15.0 light-years
- HIP 19248 15.4 light-years
- HIP 17364 17.1 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.