Star · M3 V
TOI-1685
TOI-1685 is a main-sequence star of spectral type M3 V in the constellation Perseus, 122.7 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Perseus |
|---|---|
| Distance | 122.7 light-years (37.6 pc) |
| Apparent magnitude | magnitude 13.36 |
| Absolute magnitude | magnitude 10.48 |
| Spectral type | M3 V |
| Surface temperature | 3,470 K |
| Luminosity | 0.0303 L☉ |
| Radius | 0.462 R☉ |
| Mass | 0.466 M☉ |
| Age | 1.4 billion years |
| Metallicity [Fe/H] | 0.01 |
| Right ascension (J2000) | 4h 34m 22.6s |
| Declination (J2000) | +43° 02′ 13″ |
| Space velocity (relative to the Sun) | 46.6 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.36. Visible from the whole Northern Hemisphere and south to latitude 47° S. North of latitude 47° N it never sets. It stands highest at midnight in November, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1903. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.2 million years.
The Sun seen from there
From a planet around TOI-1685, the Sun would look like a star of magnitude 7.71, in the direction where our sky has the constellation Scorpius. It would be invisible to the naked eye.
Planets
- TOI-1685 b 0.669-day orbit · 1.42 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 3299A 8.37 light-years
- HIP 21559 11.3 light-years
- HIP 23198 16.0 light-years
- HIP 18758 16.8 light-years
- HIP 18986 18.0 light-years
- HIP 19301 19.8 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.