The CARMENES survey (Calar Alto high-Resolution search for M-dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) is a project to examine approximately 300 M-dwarf stars for signs of exoplanets with the CARMENES instrument on the Spanish
Calar Alto
Calar Alto is the highest peak (2168 m over sea level) in the Sierra de Los Filabres, a mountain chain in Andalusia, Spain. It is also the highest peak in the said mountain range.
It hosts the Calar Alto astronomical observatory, which benefits ...
's 3.5m telescope.
Operating since 2016, it aims to find Earth-sized exoplanets around 2 (
Earth masses
An Earth mass (denoted as M_\mathrm or M_\oplus, where ⊕ is the standard astronomical symbol for Earth), is a unit of mass equal to the mass of the planet Earth. The current best estimate for the mass of Earth is , with a relative uncertainty ...
) using
Doppler spectroscopy (also called the radial velocity method). More than 20 exoplanets have been found through CARMENES, among them
Teegarden b
Teegarden's Star b (also known as Teegarden b) is an exoplanet found orbiting within the habitable zone of Teegarden's Star, an M-type red dwarf 12.5 light years away from the Solar System. It has the highest Earth Similarity Index of any exopl ...
, considered one of the most potentially habitable exoplanets. Another potentially habitable planet found is
GJ 357 d
Gliese 357 d is an exoplanet, considered to be a "Super-Earth" within the circumstellar habitable zone of its parent star. The planet orbits GJ 357, 31 light-years from the Solar System, The system is part of the Hydra constellation.
The pla ...
.
Discoveries
See also
List of exoplanet search projects
The following is a list of exoplanet search projects.
Ground-based search projects
Space missions
Past and current
Planned
Proposed
* EXCEDE
* FINESSE
* Origins
* HabEx
* LUVOIR
* New Worlds Mission
* PEGASE
Canceled
* Darwin
* EChO ...
References
Astronomical surveys
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