HATS-15 is 3,717 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G9 V star; the first was found in 2016 by transit (HATSouth).
Fly there in 3DHATS-15 b goes round its star every 41.9 hours, 50 times as often as Mercury goes round the Sun.
| Spectral type | G9 V |
| Surface temperature | 5,311 K |
| Mass | 0.871 solar masses |
| Radius | 0.922 solar radii |
| Luminosity | 0.625 times the Sun |
| Apparent magnitude | 14.909 |
| Age | about 11 billion years |
| Distance from the Sun | 3716.7 light-years (1139.5 parsecs) |
| Position (J2000) | RA 311.0920°, Dec -19.4375° |
| Constellation | Capricornus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HATS-15 b | 41.9 hours | 0.0271 AU | 12.386 R⊕ | 689.69 M⊕ | Transit, 2016 |
Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.
For a star of 5,311 K, 0.63 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 0.77 to 1.38 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.
The light you see left 3,717 years ago, around 1700 BC.