Star · G2V
Gl 400B
Gl 400B is a main-sequence star of spectral type G2V in the constellation Leo Minor, 45.2 light-years from the Sun.
| Constellation | Leo Minor |
|---|---|
| Distance | 45.2 light-years (13.9 pc) |
| Apparent magnitude | magnitude 12.20 |
| Absolute magnitude | magnitude 11.49 |
| Spectral type | G2V |
| Surface temperature | 5,780 K |
| Luminosity | 0.00235 L☉ |
| Radius | 0.0484 R☉ |
| Mass | 0.136 M☉ (estimated) |
| Right ascension (J2000) | 10h 45m 21.3s |
| Declination (J2000) | +38° 30′ 47″ |
| Space velocity (relative to the Sun) | 11.3 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.20. Visible from the whole Northern Hemisphere and south to latitude 51° S. North of latitude 51° N it never sets. 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 1981. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 802 thousand years.
The Sun seen from there
From a planet around Gl 400B, the Sun would look like a star of magnitude 5.54, in the direction where our sky has the constellation Grus. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.