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From the total of 4,949 stars known to have exoplanets (as of July 24, 2024), there are a total of 1007 known multiplanetary systems, [1] or stars with at least two confirmed planets, beyond the Solar System. This list includes systems with at least three confirmed planets or two confirmed planets where additional candidates have been proposed.
The PH1 system has the planet PH1 b (discovered in 2012 by the Planet Hunters group, a part of the Zooniverse) orbiting two of the four stars, making it the first known planet to be in a quadruple star system. [45] KOI-2626 is the first quadruple star system with an Earth-sized planet. [46]
List of star systems within 20–25 light-years; ... List of smallest known stars; List of oldest stars; List of least massive stars; List of hottest stars;
The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A , which is also the brightest star in Earth's night sky ; its white dwarf companion Sirius B is the hottest object among them.
Star system ← → ← → Median distance Stars in system Spectral type Apparent magnitude (V) Comments and references Gamma Apodis: 150 ± 4: 1: G9 III: 3.86: HD 34445: 150.5 ± 0.3: 1: G0V: 7.31±0.03: Has 1 confirmed and 5 unconfirmed exoplanets. HD 27482: 151: 1: B8V: The Closest Blue Straggler star to Earth. Part of Hyades Cluster. HD ...
The Alpha Centauri star system is the closest star system to the Sun. List of nearest M-type stars ... The archetype of the flare stars. Also known as BL Ceti: Ross 154:
The well-known binary star Sirius, seen here in a Hubble photograph from 2005, with Sirius A in the center, and white dwarf, Sirius B, to the left bottom from it. A binary star or binary star system is a system of two stars that are gravitationally bound to and in orbit around each other.
This is a list of star systems within 95–100 light years of Earth. [1] This list is incomplete; you can help by adding missing items. (July 2024)