Star · A2V
31 Vir
31 Vir is a main-sequence star of spectral type A2V in the constellation Virgo, 266.9 light-years from the Sun.
| Other names | HIP 61968 |
|---|---|
| Constellation | Virgo |
| Distance | 266.9 light-years (81.8 pc) |
| Apparent magnitude | magnitude 5.57 |
| Absolute magnitude | magnitude 1.01 |
| Spectral type | A2V |
| Surface temperature | 10,100 K |
| Luminosity | 47.4 L☉ |
| Radius | 2.25 R☉ |
| Mass | 2.74 M☉ (estimated) |
| Right ascension (J2000) | 12h 41m 57.1s |
| Declination (J2000) | +6° 48′ 24″ |
| Space velocity (relative to the Sun) | 28.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.57). Visible from the whole Northern Hemisphere and south to latitude 83° S. It stands highest at midnight in March, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1759. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.7 million years.
The Sun seen from there
From a planet around 31 Vir, the Sun would look like a star of magnitude 9.39, in the direction where our sky has the constellation Cetus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 32 Vir 7.59 light-years
- HIP 62453 12.0 light-years
- HIP 61881 14.1 light-years
- SDSS J125331.83+065933.4 17.1 light-years
- HIP 63062 18.3 light-years
- HIP 62022 19.0 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.