Star · F7
TOI-791
TOI-791 is a main-sequence star of spectral type F7 in the constellation Volans, 1,097 light-years from the Sun. It is orbited by 2 confirmed exoplanet(s).
| Constellation | Volans |
|---|---|
| Distance | 1,097 light-years (336.5 pc) |
| Apparent magnitude | magnitude 11.13 |
| Absolute magnitude | magnitude 3.50 |
| Spectral type | F7 |
| Surface temperature | 6,290 K |
| Luminosity | 3.77 L☉ |
| Radius | 1.47 R☉ |
| Mass | 1.28 M☉ |
| Metallicity [Fe/H] | -0.14 |
| Right ascension (J2000) | 7h 53m 44.3s |
| Declination (J2000) | −69° 42′ 06″ |
| Space velocity (relative to the Sun) | 16.7 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 11.13. Visible from the whole Southern Hemisphere and north to latitude 20° N. South of latitude 20° 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 929. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 19 million years.
The Sun seen from there
From a planet around TOI-791, the Sun would look like a star of magnitude 12.46, in the direction where our sky has the constellation Draco. It would be invisible to the naked eye.
Planets
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.