Star · G5
HAT-P-38
HAT-P-38 is a main-sequence star of spectral type G5 in the constellation Triangulum, 832.4 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Triangulum |
|---|---|
| Distance | 832.4 light-years (255.2 pc) |
| Apparent magnitude | magnitude 12.53 |
| Absolute magnitude | magnitude 5.50 |
| Spectral type | G5 |
| Surface temperature | 5,330 K |
| Luminosity | 0.619 L☉ |
| Radius | 0.923 R☉ |
| Mass | 0.886 M☉ |
| Age | 10.1 billion years |
| Metallicity [Fe/H] | 0.06 |
| Right ascension (J2000) | 2h 21m 32.0s |
| Declination (J2000) | +32° 14′ 46″ |
| Space velocity (relative to the Sun) | 63.3 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.53. Visible from the whole Northern Hemisphere and south to latitude 58° S. North of latitude 58° N it never sets. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1194. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 15 million years.
The Sun seen from there
From a planet around HAT-P-38, the Sun would look like a star of magnitude 11.86, in the direction where our sky has the constellation Centaurus. It would be invisible to the naked eye.
Planets
- HAT-P-38 b 4.64-day orbit · 9.25 R⊕
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.