Star · K2 III
HD 66141
HD 66141 is a giant star of spectral type K2 III in the constellation Canis Minor, 260.4 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | HIP 39311 |
|---|---|
| Constellation | Canis Minor |
| Distance | 260.4 light-years (79.9 pc) |
| Apparent magnitude | magnitude 4.39 |
| Absolute magnitude | magnitude −0.12 |
| Spectral type | K2 III |
| Surface temperature | 4,320 K |
| Luminosity | 174 L☉ |
| Radius | 21.4 R☉ |
| Mass | 1.1 M☉ |
| Age | 6.8 billion years |
| Metallicity [Fe/H] | -0.32 |
| Right ascension (J2000) | 8h 02m 15.9s |
| Declination (J2000) | +2° 20′ 04″ |
| Space velocity (relative to the Sun) | 82.9 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 4.39). Visible from the whole Northern Hemisphere and south to latitude 88° S. 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 1766. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.6 million years.
The Sun seen from there
From a planet around HD 66141, the Sun would look like a star of magnitude 9.34, in the direction where our sky has the constellation Aquila. It would be invisible to the naked eye.
Planets
- HD 66141 b 481-day orbit · 12.8 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 14 CMi 5.89 light-years
- HIP 38138 17.1 light-years
- HIP 39954 18.5 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.