Eta Centauri, Latinized from η Centauri, is a star in the southern constellation of Centaurus. It has an apparent visual magnitude of +2.35 and is located...

three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C). Proxima Centauri is the closest star to the Sun...

Theta Centauri, Zeta Centauri, Eta Centauri, 2 Centauri, HD 117440, Xi¹ Centauri, Gamma Centauri, Tau Centauri, D Centauri and Sigma Centauri. Consequently...

century. Together with s Carinae, λ Centauri and λ Muscae, Eta Carinae forms the asterism 海山 (Sea and Mountain). Eta Carinae has the names Tseen She (from...

Beta Centauri is a triple star system in the southern constellation of Centaurus. It is officially called Hadar (/ˈheɪdɑːr/). The Bayer designation of...

Star Suspected variable star 2.30 2.29 Epsilon Centauri Star 2.30 2.29 Alpha Lupi Star 2.31 2.30 Eta Centauri Star 2.32 1.86 Delta Scorpii Binary star system...

300 ± 10 2 B6 V + B8 V 3.9 to 4.4 SZ Piscium 306 ± 5 1 K1IV + F8V 7.18 Eta Centauri 306 ± 6 1 B1.5 Vne +2.35 Rho Persei (Gorgonea Tertia) 308 ± 7 1 M4 II...

Eta Cassiopeiae (η Cassiopeiae, abbreviated Eta Cas, η Cas) is a binary star system in the northern constellation of Cassiopeia. Its binary nature was...

mention a star named after Numushda, presumed to be either Eta Centauri or Kappa Centauri. A late prayer describes it as an astral body which "makes the...

objects), and with the first-magnitude stars Alpha Centauri (the closest star to the Sun) and Beta Centauri pointing at the cross, distinguishing the cross...

Cannon William F. Meggers "A study of the peculiar spectrum of the star Eta Centauri" (Master's thesis, 1912) is held in the Wellesley College Archives Archived...

(V1302 Aql) Omicron1 Centauri Rho Cassiopeiae V382 Carinae V509 Cassiopeiae V766 Centauri (HR 5171A, possible red supergiant) V810 Centauri A V1427 Aquilae...

which is Proxima Centauri 4.25 light-years away. The first confirmed exoplanet discovered in the Proxima Centauri system was Proxima Centauri b, in 2016. HD...

perpendicular line taken southwards from the east–west axis of Alpha Centauri to Beta Centauri, which are stars at an alike declination to Crux and of a similar...

(December 2002), "Short period spectral variability in the Be stars I: eta Centauri and epsilon Capricorni", The Journal of Astronomical Data, 8: 1, Bibcode:2002JAD...

ne is roughly 0.4. The nearest planet in the habitable zone is Proxima Centauri b, which is as close as about 4.2 light-years away. The consensus at the...

V346 Centauri is a variable star in the constellation Centaurus. An Algol-type eclipsing binary, its apparent magnitude has a maximum of 8.50, dropping...

0855−0714 (possibly a rogue planet). The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from...

(light-years) Spectral type 1 Alpha Centauri A Centaurus 4.3 G2V 2 Alpha Centauri B Centaurus 4.3 K1V 3 Tau Ceti Cetus 12 G8V 4 Eta Cassiopeiae Cassiopeia 19 G3V...

am). 10–100 am – range of the weak force 86 am – charge radius of a Bottom eta meson To help compare different orders of magnitude, this section lists lengths...

Fritz (July 1, 2021). "Precision Millimeter Astrometry of the $\alpha$ Centauri AB System". The Astronomical Journal. 162 (1): 14. arXiv:2104.10086. Bibcode:2021AJ...

A1VnkA0mA0 +3.753 HD 37124 103.4 ± 0.2 1 G4IV-V +7.68 Has 3 exoplanets. Alkaid (Eta Ursae Majoris) 103.9 ± 0.8 1 B3 V +1.86 CFBDSIR J145829+101343 104 ± 8 2...

bright deep-sky objects visible in the Southern Hemisphere, such as Omega Centauri, Centaurus A, the Jewel Box, and 47 Tucanae. Moore compiled a list of 109...

Solar System (the only stars closer are the Alpha Centauri binary star system and Proxima Centauri), lies in Ophiuchus. It is located to the left of β...

46 apparent magnitude), Canopus (−0.72) and α Centauri (combined magnitude of −0.27). However, α Centauri AB is a binary star, whose components are each...

denote the pair (for example, the binary star α Centauri AB consists of the stars α Centauri A and α Centauri B.) Additional letters, such as C, D, etc.,...

3.5, followed by the orange giant star Zeta Telescopii at magnitude 4.1. Eta and PZ Telescopii are two young star systems with debris disks and brown...

{w}{c}}\right)^{2}}}={\frac {1}{\sqrt {1-({\frac {v}{c}})^{2}}}}=\cosh(\eta )\equiv {\frac {e^{\eta }+e^{-\eta }}{2}}} w c ≡ 1 c d x d τ = v c 1 1 − ( v c ) 2 = sinh ⁡...

the brightest star in the constellation of Centaurus is known as Alpha Centauri. For historical reasons, the Greek designations of some constellations...

constellations. Four of Norma's brighter stars—Gamma, Delta, Epsilon and Eta—make up a square in the field of faint stars. Gamma2 Normae is the brightest...