Top Results for Red Dwarf

Proxima Centauri is a red dwarf star located just over four light-years away, making it our nearest stellar neighbor. It’s notable for being the host of Proxima Centauri b, an exoplanet within the habitable zone of its system. This makes it a key target for astronomers studying potentially habitable...

Gliese 229 is a cool red-dwarf star in the constellation Lepus, approximately 18 light-years from the Sun. Its faint companion, Gliese 229 B, was directly imaged in 1995 and became the first confirmed brown dwarf seen orbiting a normal star; later observations showed that the companion is itself a c...

Barnard's Star is a red dwarf star situated approximately 6 light-years away in the constellation Ophiuchus. It holds the record for the highest proper motion of any known star relative to the Sun, moving across the sky at a noticeable rate. Because of its proximity and frequent observation by astro...

AU Microscopii is a young M-type red dwarf star in the constellation Microscopium, about 32 light-years from Earth. It is surrounded by a broad debris disk that is viewed nearly edge-on and has been directly imaged with space- and ground-based telescopes, allowing astronomers to study dust structure...

LHS 1140 is an M-type red dwarf star located approximately 40 light-years from Earth in the constellation Cetus. The star hosts at least two confirmed exoplanets, including LHS 1140 b, a rocky super-Earth orbiting within the star's habitable zone that was discovered in 2017 by the MEarth survey. LHS...

Gliese 581 is a cool red-dwarf star in the constellation Libra, about 20 light-years from Earth. It became a widely studied nearby stellar system after astronomers reported several planets through radial-velocity observations, including Gliese 581 b, c, d, and e at different stages of confirmation....

GJ 1214 is a faint M-type red-dwarf star in the constellation Ophiuchus, about 40 light-years from Earth. It is the host star of GJ 1214 b, a transiting planet announced in 2009 whose size and mass place it between Earth and the ice giants of the Solar System. Early models suggested a water-rich int...

Scholz’s Star, also designated WISE J072003.20-084651.2, is a nearby low-mass binary system in Monoceros. Its components are an M-type red dwarf and a T-type brown dwarf, located about 6.8 parsecs, or 22 light-years, from the Sun. Trajectory studies indicate that the pair passed through the outer Oo...

GJ 876 (also catalogued as IL Aquarii) is a red dwarf star located approximately 15 light-years from Earth in the constellation Aquarius. It is one of the nearest known multi-planet systems, with at least four confirmed exoplanets, including gas giants and terrestrial-mass planets. The first planet...

GJ 581 is an M-type red dwarf star located approximately 20 light-years from Earth in the constellation Libra. It hosts a multi-planet system that includes several confirmed exoplanets orbiting near the star's habitable zone. This system sparked significant astronomical debate following the claimed...

Teegarden's Star is an M-type red dwarf star situated approximately 12.5 light-years from the Solar System in the constellation Aries. Classified as an ultra-cool dwarf, it is exceptionally faint and was only discovered in 2003 despite its close proximity to Earth. In 2019, an astronomical team util...

Ross 128 is a red dwarf star located approximately 11 light-years from Earth in the constellation Virgo, making it one of the nearest stars to the Solar System. In 2017, astronomers using the HARPS spectrograph at the La Silla Observatory in Chile announced the discovery of Ross 128b, an Earth-mass...

Gliese 436 is an M-type red dwarf in the constellation Leo, approximately 33 light-years from Earth. It hosts Gliese 436 b, a transiting exoplanet with roughly Neptune's size and mass that travels in a close, eccentric orbit. Ultraviolet observations with the Hubble Space Telescope revealed an exten...

L 98-59 is an M-type red dwarf star located approximately 35 light-years away in the southern constellation of Volans. It is known to host a multi-planetary system, with initial observations by NASA's Transiting Exoplanet Survey Satellite (TESS) in 2019 identifying three small, rocky exoplanets. Sub...

Luyten's Star is a nearby red dwarf situated roughly 12.5 light-years away from Earth in the constellation Canis Minor. Named after the astronomer Willem Jacob Luyten, it is a moderately active M-type star with roughly a quarter of the Sun's mass. In 2017, astronomers confirmed the presence of two e...

Lalande 21185 is a red dwarf star in the constellation Ursa Major, located approximately 8.3 light-years from Earth, making it one of the nearest known stellar neighbors to the Solar System. It is classified as spectral type M2V and has an apparent magnitude of about 7.5, rendering it too faint to b...

GJ 1061 is a red dwarf star of spectral class M5.5V located approximately 12 light-years away from Earth in the southern constellation of Horologium. It is a relatively cool and dim star, possessing only a fraction of the Sun's mass and radius, which makes it invisible to the unaided human eye. Astr...

AD Leonis is a nearby red dwarf in the constellation Leo and is classified as a flare star. Its magnetic activity can produce sudden increases in brightness across the electromagnetic spectrum, making it useful for studying how cool, low-mass stars generate and release energy. The star is also an ex...

GJ 832, also cataloged as Gliese 832, is a red dwarf star of spectral type M2V situated approximately 16 light-years away in the constellation of Grus. It is known to host a multi-planet system, including the gas giant GJ 832 b, discovered in 2008, which behaves similarly to Jupiter in our own solar...

BL Ceti is a red dwarf star in the constellation Cetus and one component of the nearby binary system commonly known as UV Ceti. It is an M-type star whose brightness can change abruptly during magnetic flares, events produced by the release of energy in the star's active atmosphere. Together with it...

TOI-1452 is a small red-dwarf star about 100 light-years away in the constellation Draco and a member of a widely separated binary system. It hosts TOI-1452 b, a transiting super-Earth announced in 2022 after observations by NASA's TESS mission and ground-based instruments. Measurements of the plane...

Gliese 832, also called GJ 832, is a nearby red-dwarf star in the southern constellation Grus, about 4.96 parsecs from the Sun. The NASA Exoplanet Archive lists one confirmed planet, GJ 832 b, detected by radial velocity in 2008, with a roughly 3,853-day orbit. It also lists GJ 832 c as a false-posi...

Lacaille 9352 is a red dwarf star located approximately 10.7 light-years away from Earth in the southern constellation of Piscis Austrinus. It ranks among the closest known stars to the Solar System and is noted for its relatively high proper motion across the sky. Although red dwarfs are generally...

GJ 674 is a red dwarf star located roughly 14.8 light-years away from Earth in the southern constellation of Ara. It is an M-type main-sequence star with a relatively cool surface temperature and a substantial magnetic field. In 2007, astronomers utilizing the High Accuracy Radial Velocity Planet Se...

Groombridge 34 is a binary star system located 11.6 light-years away in the northern constellation of Andromeda. Both components are M-type red dwarf stars that orbit each other at a relatively wide separation, taking thousands of years to complete a single orbit. The system was first cataloged by t...

EV Lacertae is a faint red-dwarf flare star in the constellation Lacerta, about 16.5 light-years from the Sun. On April 25, 2008, NASA's Swift satellite detected an exceptionally powerful stellar flare from it, thousands of times more energetic than the largest solar flare observed at that time. The...

Lacaille 8760, also designated as AX Microscopii, is a red dwarf star situated approximately 12.9 light-years away from Earth in the southern constellation of Microscopium. It was catalogued by the French astronomer Nicolas-Louis de Lacaille during his 18th-century expedition to the Cape of Good Hop...

Luyten 726-8A, also cataloged as BL Ceti, is a red dwarf star located roughly 8.7 light-years away in the constellation Cetus. It is the brighter primary component of the L 726-8 binary system, which was jointly cataloged by Dutch-American astronomer Willem Luyten. Both components are flare stars, m...

GJ 3293 is an M-type red dwarf star situated approximately 57 light-years away in the constellation Cetus. It is known to host multiple confirmed exoplanets, including at least two super-Earths that were detected using radial velocity measurements. The planetary system's discovery has contributed to...