Star · A4V
40 LMi
40 LMi is a main-sequence star of spectral type A4V in the constellation Leo Minor, 153.7 light-years from the Sun.
| Other names | HIP 52422 |
|---|---|
| Constellation | Leo Minor |
| Distance | 153.7 light-years (47.1 pc) |
| Apparent magnitude | magnitude 5.51 |
| Absolute magnitude | magnitude 2.14 |
| Spectral type | A4V |
| Surface temperature | 8,490 K |
| Luminosity | 13.2 L☉ |
| Radius | 1.68 R☉ |
| Mass | 1.91 M☉ (estimated) |
| Right ascension (J2000) | 10h 43m 01.9s |
| Declination (J2000) | +26° 19′ 32″ |
| Space velocity (relative to the Sun) | 28.4 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.51). 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 February, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1872. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.7 million years.
The Sun seen from there
From a planet around 40 LMi, the Sun would look like a star of magnitude 8.20, in the direction where our sky has the constellation Piscis Austrinus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 52667 2.47 light-years
- SDSS J104928.24+253723.2 6.11 light-years
- HIP 53189 10.5 light-years
- SDSS J103855.06+215626.5 12.8 light-years
- HIP 52234 13.3 light-years
- HIP 51942 13.5 light-years
- HIP 53869 16.4 light-years
- HIP 50582 17.8 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.