Star · ?
Gl 64
Gl 64 is a white dwarf of spectral type ? in the constellation Cetus, 41.2 light-years from the Sun.
| Constellation | Cetus |
|---|---|
| Distance | 41.2 light-years (12.6 pc) |
| Apparent magnitude | magnitude 12.84 |
| Absolute magnitude | magnitude 12.33 |
| Spectral type | ? |
| Surface temperature | 8,000 K |
| Luminosity | 0.00105 L☉ |
| Radius | 0.012 R☉ |
| Mass | 0.6 M☉ (estimated) |
| Right ascension (J2000) | 1h 37m 59.0s |
| Declination (J2000) | −4° 59′ 43″ |
| Space velocity (relative to the Sun) | 40.6 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.84. Visible from the whole Southern Hemisphere and north to latitude 85° N. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1985. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 730 thousand years.
The Sun seen from there
From a planet around Gl 64, the Sun would look like a star of magnitude 5.34, in the direction where our sky has the constellation Virgo. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 2MASS J01443536-0716142 2.06 light-years
- GJ 1025 6.62 light-years
- GJ 3119 7.09 light-years
- CWISE J014837.51-104805.6 7.59 light-years
- Gl 70 7.67 light-years
- GJ 3094B 7.89 light-years
- GJ 3093A 10.1 light-years
- Gl 87 10.5 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.