Star · ?
GJ 3787
GJ 3787 is a main-sequence star of spectral type ? in the constellation Centaurus, 57.6 light-years from the Sun.
| Constellation | Centaurus |
|---|---|
| Distance | 57.6 light-years (17.7 pc) |
| Apparent magnitude | magnitude 13.10 |
| Absolute magnitude | magnitude 11.86 |
| Spectral type | ? |
| Surface temperature | 3,650 K |
| Luminosity | 0.00693 L☉ |
| Radius | 0.208 R☉ |
| Mass | 0.218 M☉ (estimated) |
| Right ascension (J2000) | 13h 30m 26.3s |
| Declination (J2000) | −52° 03′ 31″ |
| Space velocity (relative to the Sun) | 56.5 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.10. Visible from the whole Southern Hemisphere and north to latitude 38° N. South of latitude 38° S it never sets. It stands highest at midnight in April, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1968. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.0 million years.
The Sun seen from there
From a planet around GJ 3787, the Sun would look like a star of magnitude 6.07, in the direction where our sky has the constellation Perseus. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 3811 4.19 light-years
- Gl 531 5.32 light-years
- HD 113538 5.82 light-years
- GJ 3770 6.00 light-years
- CWISE J131548.23-493645.4 6.03 light-years
- Gl 524 6.93 light-years
- CWISE J141127.70-481153.4 7.70 light-years
- Gl 503A 7.79 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.