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Gliese 667 Cc is the second confirmed planet out from Gliese 667 C, orbiting towards the inner edge of the habitable zone. [9] From its surface, the star would have an angular diameter of 1.24 degrees and would appear to be 2.3 times [note 1] the visual diameter of the Sun as it appears from the surface of the Earth. Gliese 667 C would have a ...
The largest star in the system, Gliese 667 A (GJ 667 A), is a K-type main-sequence star of stellar classification K3V. [2] It has about 73% [5] of the mass of the Sun and 76% [2] of the Sun's radius, but is radiating only around 12-13% of the luminosity of the Sun. [15] The concentration of elements other than hydrogen and helium, what astronomers term the star's metallicity, is much lower ...
Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, a member of the Gliese 667 triple-star system. It is the most massive planet discovered in the system and is likely a super-Earth or a mini-Neptune. Orbital-stability analysis indicates that it cannot be more than twice its minimum mass.
These include Gliese 581 d & g, [54] [55] [56] Gliese 667 Ce & f, [16] [57] Gliese 682 b & c, [9] Kapteyn b, [58] [59] and Gliese 832 c. [ 60 ] HD 85512 b was initially estimated to be potentially habitable, [ 61 ] [ 62 ] but updated models for the boundaries of the habitable zone placed the planet interior to the HZ, [ 63 ] [ 64 ] and it is ...
Artist's impression of Gliese 667 Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. [27] Gliese 667 Cc was originally described as one of two 'super-Earth' planets around Gliese 667 C, a dim red star that is part of a triple star system. The stars of this system have a concentration of heavy ...
Gliese 12 b, which orbits a cool, red dwarf star located just 40 light-years away, promises to tell astronomers more about how planets close to their stars retain or lose their atmospheres.
Gliese published the Third Catalogue of Nearby Stars (CNS3) in 1991, again in collaboration with Hartmut Jahreiß; the list now containing information on more than 3,800 stars. Although this catalogue was designated as preliminary, it remained the one in current use until the publication of CNS5. [ 6 ]
Planet Gliese 667 Cb (GJ 667 Cb) was announced by HARPS on 19 October 2009, together with 29 other planets, while Gliese 667 Cc (GJ 667 Cc) was included in a paper published on 21 November 2011. More detailed data on Gliese 667 Cc were published in early February 2012.