Star · G9III
135 Tau
135 Tau is a giant star of spectral type G9III in the constellation Taurus, 281.8 light-years from the Sun.
| Other names | HIP 27581 |
|---|---|
| Constellation | Taurus |
| Distance | 281.8 light-years (86.4 pc) |
| Apparent magnitude | magnitude 5.54 |
| Absolute magnitude | magnitude 0.86 |
| Spectral type | G9III |
| Surface temperature | 4,730 K |
| Luminosity | 61.3 L☉ |
| Radius | 11.7 R☉ |
| Mass | 2.94 M☉ (estimated) |
| Right ascension (J2000) | 5h 50m 28.9s |
| Declination (J2000) | +14° 18′ 20″ |
| Space velocity (relative to the Sun) | 47.6 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.54). Visible from the whole Northern Hemisphere and south to latitude 76° S. North of latitude 76° N it never sets. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1744. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 5.0 million years.
The Sun seen from there
From a planet around 135 Tau, the Sun would look like a star of magnitude 9.51, in the direction where our sky has the constellation Serpens. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 134 Tau 8.23 light-years
- HIP 28182 18.1 light-years
- HIP 27933 18.6 light-years
- HIP 26625 19.1 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.