Star · M4V
WISEA J162341.27-740230.4
WISEA J162341.27-740230.4 is a main-sequence star of spectral type M4V in the constellation Apus, 63.9 light-years from the Sun.
| Constellation | Apus |
|---|---|
| Distance | 63.9 light-years (19.6 pc) |
| Apparent magnitude | magnitude 22.58 |
| Absolute magnitude | magnitude 21.12 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 5.60 × 10⁻⁶ L☉ |
| Radius | 0.00891 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 16h 23m 41.4s |
| Declination (J2000) | −74° 02′ 26″ |
| Space velocity (relative to the Sun) | 38.4 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 22.58. Visible from the whole Southern Hemisphere and north to latitude 16° N. South of latitude 16° S 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 1962. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.1 million years.
The Sun seen from there
From a planet around WISEA J162341.27-740230.4, the Sun would look like a star of magnitude 6.29, in the direction where our sky has the constellation Camelopardalis. 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.