Star · K2III
46 Boo
46 Boo is a giant star of spectral type K2III in the constellation Boötes, 488.3 light-years from the Sun.
| Other names | HIP 74087 |
|---|---|
| Constellation | Boötes |
| Distance | 488.3 light-years (149.7 pc) |
| Apparent magnitude | magnitude 5.67 |
| Absolute magnitude | magnitude −0.21 |
| Spectral type | K2III |
| Surface temperature | 4,230 K |
| Luminosity | 235 L☉ |
| Radius | 28.5 R☉ |
| Mass | 4.32 M☉ (estimated) |
| Right ascension (J2000) | 15h 08m 23.8s |
| Declination (J2000) | +26° 18′ 04″ |
| Space velocity (relative to the Sun) | 23.1 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.67). Visible from the whole Northern Hemisphere and south to latitude 64° S. North of latitude 64° N it never sets. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1538. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 8.7 million years.
The Sun seen from there
From a planet around 46 Boo, the Sun would look like a star of magnitude 10.71, in the direction where our sky has the constellation Fornax. It would be invisible to the naked eye.
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.