Star · M0V
2MASS J03231002-4631237
2MASS J03231002-4631237 is a main-sequence star of spectral type M0V in the constellation Horologium, 139.9 light-years from the Sun.
| Constellation | Horologium |
|---|---|
| Distance | 139.9 light-years (42.9 pc) |
| Apparent magnitude | magnitude 21.91 |
| Absolute magnitude | magnitude 18.75 |
| Spectral type | M0V |
| Surface temperature | 3,560 K |
| Luminosity | 1.41 × 10⁻⁵ L☉ |
| Radius | 0.0099 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 3h 23m 10.1s |
| Declination (J2000) | −46° 31′ 24″ |
| Space velocity (relative to the Sun) | 21.8 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 21.91. Visible from the whole Southern Hemisphere and north to latitude 43° N. South of latitude 43° 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 1886. 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 2MASS J03231002-4631237, the Sun would look like a star of magnitude 7.99, 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):
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.