Star · F0III
υ¹ Cnc
υ¹ Cnc is a giant star of spectral type F0III in the constellation Cancer, 239.5 light-years from the Sun.
| Other names | HIP 41816 |
|---|---|
| Constellation | Cancer |
| Distance | 239.5 light-years (73.4 pc) |
| Apparent magnitude | magnitude 5.71 |
| Absolute magnitude | magnitude 1.38 |
| Spectral type | F0III |
| Surface temperature | 7,290 K |
| Luminosity | 24.1 L☉ |
| Radius | 3.07 R☉ |
| Mass | 2.25 M☉ (estimated) |
| Right ascension (J2000) | 8h 31m 30.5s |
| Declination (J2000) | +24° 04′ 52″ |
| Space velocity (relative to the Sun) | 37.3 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.71). Visible from the whole Northern Hemisphere and south to latitude 66° S. North of latitude 66° N 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 1786. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 4.2 million years.
The Sun seen from there
From a planet around υ¹ Cnc, the Sun would look like a star of magnitude 9.16, in the direction where our sky has the constellation Capricornus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- 24 Cnc 14.3 light-years
- 2MASS J08443811+2226161 16.2 light-years
- K2-122 16.8 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.