HD 6434 is a star in the southern constellation of Phoenix. Yellow dwarfs such as this are not very luminous, so at a distance of 138[2] light years it is not visible to the unaided eye. However, with binoculars it is readily visible under ideal observing conditions, having an apparent visual magnitude of 7.71.[3] The star is drifting further from the Sun with a radial velocity of +23 km/s.[2]
The star HD 6434 is named Nenque. The name was selected in the NameExoWorlds campaign by Ecuador, during the 100th anniversary of the IAU. Nenque means the Sun in the language spoken by the Indigenous Waorani tribes.[9][10]
This object is a Sun-like G-type main-sequence star with a stellar classification of G2/G3V.[4] It is an ancient population II[11] star with an estimated age of 12[6] billion years, and is one of the most metal-deficient stars known to host a planet.[3] This star is spinning at a leisurely rate with a projected rotational velocity of 2.2 km/s.[3] It has 88% of the mass of the Sun but is nearly the same size. HD 6434 is radiating 1.2 times the luminosity of the Sun from its photosphere at an effective temperature of 5,907 K.[6]
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HD6434 is a star in the southern constellation of Phoenix. Yellow dwarfs such as this are not very luminous, so at a distance of 138 light years it is...
HD6434 b is an extrasolar planet orbiting the star HD6434. It has a minimum mass about half that of Jupiter. It orbits the star very close, over 2.5...
/ˈnɛmbəs/ Phoenix HD6434 Nenque IAU new 2019 Ecuadorian proposal; means 'the Sun' in the language of the Waorani tribes. /ˈnɛŋkiː/ Auriga HD 49674 Nervia...
language HD6434 (Nenque) 0.39 21.998 0.14 radial vel. 2000 131.5 0.79 5835 2019 NameExoWorlds Ecuador Cayahuanca "rock looking at the stars" in Nahuatl HD 52265...
N.; et al. (January 2012), "Multi-element Doppler imaging of the CP2 star HD 3980", Astronomy & Astrophysics, 537: 10, arXiv:1303.2703, Bibcode:2012A&A...
inhomogeneities in late B-type stars with Hg and Mn peculiarity. I. Spot evolution in HD 11753 on short and long time scales", Astronomy & Astrophysics, 553: 16, arXiv:1302...
most massive exoplanet candidate is HD 217786 b, which masses 12.98 MJ; the least massive confirmed planet is HD 10180 b, which masses 0.004 MJ or 3.1...
O-type stars. NGC 6231 also includes three Wolf-Rayet stars: HD 151932, HD 152270, and HD 152408. The cluster was discovered by Giovanni Batista Hodierna...
the top-right corner, figures in the far north-west as a foreground star – HD 163245 (HR 6679). Its parallax shift is 9.8912±0.0518 mas, having taken into...
20′. The brightest component is the O-type binary star system designated HD 159176 (HR 4962). Against the glare of this sixth magnitude star, a handful...
WISE 0458+6434 is the first ultra-cool brown dwarf (green dot) discovered by WISE. The green and blue comes from infrared wavelengths mapped to visible...
Gosset, E. (2013). "Three-dimensional orbits of the triple-O stellar system HD 150136". Astronomy & Astrophysics. 553: A131. arXiv:1304.3457. Bibcode:2013A&A...
instability of past climate from a 250-kyr ice-core record" (PDF). Nature. 364 (6434): 218–220. Bibcode:1993Natur.364..218D. doi:10.1038/364218a0. S2CID 4304321...
NGC 6284 is a post-core collapse (PCC) cluster. The nearby metal-poor star HD 194598 [es] may be a recent runaway from NGC 6284. List of NGC objects (6001–7000)...