Star · M4V
CFBDS J025718.08-124853.1
CFBDS J025718.08-124853.1 is a main-sequence star of spectral type M4V in the constellation Eridanus, 143.5 light-years from the Sun.
| Constellation | Eridanus |
|---|---|
| Distance | 143.5 light-years (44.0 pc) |
| Apparent magnitude | magnitude 27.22 |
| Absolute magnitude | magnitude 24.00 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 3.93 × 10⁻⁷ L☉ |
| Radius | 0.00236 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 2h 57m 18.1s |
| Declination (J2000) | −12° 48′ 53″ |
| Space velocity (relative to the Sun) | 49.8 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 27.22. Visible from the whole Southern Hemisphere and north to latitude 77° N. South of latitude 77° 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 1882. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.5 million years.
The Sun seen from there
From a planet around CFBDS J025718.08-124853.1, the Sun would look like a star of magnitude 8.05, in the direction where our sky has the constellation Boötes. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- CFBDS J030226.67-143719.2 5.50 light-years
- HIP 13681 11.7 light-years
- Azha 13.0 light-years
- HIP 14001 13.3 light-years
- ρ³ Eri 13.8 light-years
- HIP 12562 14.5 light-years
- 2MASSI J0241536-124106 16.8 light-years
- HD 15906 17.3 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.