Astronomy:Kapteyn c
From HandWiki
| Discovery | |
|---|---|
| Discovery date | 2014 |
| Radial Velocity | |
| Orbital characteristics | |
| 0.311 AU (46,500,000 km) | |
| Star | Kapteyn's star |
| Physical characteristics | |
| Mass | 7 M⊕ |
Kapteyn c is an exoplanet orbiting the nearby Red dwarf star Kapteyn's Star. It has a mass of about ≥7.0M⊕, a semimajor axis of ~0.311AU and an orbital eccentricity of 0.23±0.1. It is beyond the host star's habitable zone.[3][4] It has been described by its discoverers as a cold Super-Earth.[5]
References
- ↑ Anglada-Escude, G. (8 July 2014). "Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf". Monthly Notices of the Royal Astronomical Society: Letters 443: L89–L93. doi:10.1093/mnrasl/slu076. Bibcode: 2014MNRAS.443L..89A. http://mnrasl.oxfordjournals.org/content/443/1/L89. Retrieved 10 January 2015.
- ↑ Wall, Mike (3 June 2014). "Found! Oldest Known Alien Planet That Might Support Life". Space.com. http://www.space.com/26115-oldest-habitable-alien-planet-kapteyn-b.html. Retrieved 10 January 2015.
- ↑ David Dickinson, Discovered: Two New Planets for Kapteyn’s Star (June 4, 2014).
- ↑ Kapteyn's Star at SolStations.com.
- ↑ Guillem Anglada-Escudé, Pamela Arriagada, Mikko Tuomi, Mathias Zechmeister, James S. Jenkins, Aviv Ofir, Stefan Dreizler, Enrico Gerlach, Chris J. Marvin, Ansgar Reiners, Sandra V. Jeffers, R. Paul Butler, Steven S. Vogt, Pedro J. Amado, Cristina Rodríguez-López, Zaira M. Berdiñas, Julian Morin, Jeff D. Crane, Stephen A. Shectman, Ian B. Thompson, Matías Díaz, Eugenio Rivera, Luis F. Sarmiento, Hugh R.A. Jones, Two planets around Kapteyn's star : a cold and a temperate super-Earth orbiting the nearest halo red-dwarf[yes|permanent dead link|dead link}}].(Cornell University 3 June 2014).
 |
