Wolf 1069 b
| Discovery | |
|---|---|
| Designations | |
| LHS 3549 b, NLTT 49289 b, GJ 1253 b[4] | |
| Orbital characteristics[1] | |
| 0.0672±0.0014 AU | |
| 15.564±0.015 d | |
| Star | Wolf 1069 |
| Physical characteristics[1] | |
Mean radius | 1.08 R🜨 |
| Mass | 1.26±0.21 M🜨 |
| Temperature | 250.1+6.6 −6.5 K (−23+6.6 −6.5 °C) |
Wolf 1069 b is an
Characteristics
Located about 9.6 parsecs (31 ly) from Earth, it is one of the closest known exoplanets.[1] The minimum mass of Wolf 1069 b it measured at 1.26±0.21 M🜨, being very similar to that of Earth.[1] Its radius is estimated at 1.08 R🜨 according to mass-radius relationships.
The planet takes about 16 days to fully orbit Wolf 1069, and is located at an average distance of 0.0672 astronomical units (10,050,000 km) from it, which makes it located in its star's habitable zone.[1]
Wolf 1069 b was discovered using
Habitability
Wolf 1069 b is considered a
Despite being considered potentially habitable, the short distance from its star causes Wolf 1069 b to be
Host star
Wolf 1069 is a red dwarf that is located 31 light-years from Earth in the northern constellation Cygnus.[5][7] The star has a slow rotation period, rotating on its own axis every 170 days,[1] while the Sun takes 25 days to complete one rotation.[8] Wolf 1069 is much smaller, cooler and less massive than the Sun, having an mass of 0.167 M☉, a surface temperature of 3,158 K (2,885 °C), and a radius of 0.18 R☉, which makes it one of the smallest stars known.[1] It was discovered in 1920 by Max Wolf.[1]
See also
- List of potentially habitable exoplanets
- Cygnus (constellation)
- List of exoplanets discovered in 2023
- Red dwarf
- Habitability of red dwarf systems
References
- ^ ISSN 0004-6361.
- ^ a b Martin, Pierre-Yves (2023). "Planet Wolf 1069 b". exoplanet.eu. Retrieved 2024-01-19.
- ^ a b c "Wolf 1069 | NASA Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. Retrieved 2024-01-19.
- ^ "⬤ Exoplanet Gliese 1253 b". Stellar Catalog. Retrieved 2024-01-19.
- ^ a b c d e f g h Anderson, Natali (2023-02-08). "Astronomers Discover Earth-Mass Exoplanet in Habitable Zone of Wolf 1069". Sci.News: Breaking Science News. Retrieved 2024-01-19.
- ^ a b c Tognetti, Laurence (February 3, 2023). "Astronomers discover potential habitable exoplanet only 31 light-years from Earth". Space.com. Retrieved 2024-01-19.
- ^ a b Carter, Jamie. "Found: An Earth-Mass Planet That's Potentially Habitable And Just 31 Light-Years Away". Forbes. Retrieved 2024-01-19.
- ^ "Sun Fact Sheet". nssdc.gsfc.nasa.gov. Retrieved January 19, 2023.