Star · K2III
GJ 3434
GJ 3434 is a giant star of spectral type K2III in the constellation Puppis, 328.5 light-years from the Sun.
| Other names | HIP 34670 |
|---|---|
| Constellation | Puppis |
| Distance | 328.5 light-years (100.7 pc) |
| Apparent magnitude | magnitude 5.12 |
| Absolute magnitude | magnitude 0.10 |
| Spectral type | K2III |
| Surface temperature | 4,210 K |
| Luminosity | 180 L☉ |
| Radius | 25.2 R☉ |
| Mass | 4 M☉ (estimated) |
| Right ascension (J2000) | 7h 10m 47.5s |
| Declination (J2000) | −48° 55′ 56″ |
| Space velocity (relative to the Sun) | 114.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.12). Visible from the whole Southern Hemisphere and north to latitude 41° N. South of latitude 41° S it never sets. It stands highest at midnight in January, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1697. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 5.8 million years.
The Sun seen from there
From a planet around GJ 3434, the Sun would look like a star of magnitude 9.85, in the direction where our sky has the constellation Cygnus. It would be invisible to the naked eye.
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.