Star · G5
Berehynia
Berehynia is a main-sequence star of spectral type G5 in the constellation Perseus, 629.0 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | HAT-P-15 |
|---|---|
| Constellation | Perseus |
| Distance | 629.0 light-years (192.8 pc) |
| Apparent magnitude | magnitude 12.48 |
| Absolute magnitude | magnitude 6.05 |
| Spectral type | G5 |
| Surface temperature | 5,570 K |
| Luminosity | 1.07 L☉ |
| Radius | 1.07 R☉ |
| Mass | 1 M☉ |
| Age | 6.8 billion years |
| Metallicity [Fe/H] | 0.22 |
| Right ascension (J2000) | 4h 24m 59.5s |
| Declination (J2000) | +39° 27′ 38″ |
| Space velocity (relative to the Sun) | 35.1 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.48. Visible from the whole Northern Hemisphere and south to latitude 51° S. North of latitude 51° 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 1397. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 11 million years.
The Sun seen from there
From a planet around Berehynia, the Sun would look like a star of magnitude 11.26, in the direction where our sky has the constellation Scorpius. It would be invisible to the naked eye.
Planets
- HAT-P-15 b 10.9-day orbit · 11.9 R⊕
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.