Eta Orionis or Algjebbah, Latinized from η Orionis, is a multiple star in the constellation Orion. It lies a little to the west of Orion's Belt between...

Saiph /ˈseɪf/, designation Kappa Orionis (κ Orionis, abbreviated Kappa Ori, κ Ori) and 53 Orionis (53 Ori), is a blue supergiant star and the sixth-brightest...

star Eta Orionis. Orion's Sword contains the Orion Nebula, the Messier 43 nebula, the Running Man Nebula, and the stars Theta Orionis, Iota Orionis, and...

may also refer to: The Ensis, a mythical sword represented by the star Eta Orionis in the constellation Orion Ensis ensis All pages with titles containing...

constellation of Orion. It has the Bayer designation β Orionis, which is Latinized to Beta Orionis and abbreviated Beta Ori or β Ori. Rigel is the brightest...

Star 3.33 Eta Scorpii Star 3.33 Omega Carinae Star 3.34 Gamma Arae Star 3.34 Nu Ophiuchi Star 3.35 3.17 V337 Carinae Star 3.35 3.31 Eta Orionis Quadruple...

handle is at ι Orionis, with the far rim at η Orionis.[citation needed] The four central stars in Hercules, Epsilon (ε Her), Zeta (ζ Her), Eta (η Her), and...

String of Pearls النظم النَّظْم Epsilon Orionis Alnitak an-Niṭāq the Girdle (Orion's Belt) النطاق النِّطَاق Zeta Orionis Alphard al-Fard the Solitary one الفرد...

O4I(n)fp Alnilam (Epsilon Orionis) B-type supergiant, spectral type B0Ia, central star of Orion's Belt Saiph (Kappa Orionis) B-type supergiant, spectral...

at 1.8, the blue-white giant Beta (Mirzam) at 2.0, blue-white supergiants Eta (Aludra) at 2.4 and Omicron2 at 3.0, and white spectroscopic binary Zeta...

APIN, this name was also applied to the pairs of Pi3 and Pi4 Orionis and Zeta and Xi Orionis. The meaning of MASH.TAB.BA evolved as well, becoming the twin...

Tau Ceti Cetus 12 G8V 4 Eta Cassiopeiae Cassiopeia 19 G3V 5 Beta Hydri Hydrus 24 G2IV 6 Delta Pavonis Pavo 20 G8V 7 Pi3 Orionis Orion 26 F6V 8 Gamma Leporis...

Upsilon Orionis B0Ia – Alnilam B2Ia – Chi2 Orionis B2Ib – 9 Cephei B3V – Eta Ursae Majoris B3V – Eta Aurigae B3Ia – Omicron2 Canis Majoris B5Ia – Eta Canis...

; Zavala, R. T. (2013). "Dynamical mass of the O-type supergiant in ζ Orionis A". Astronomy & Astrophysics. 554: A52. arXiv:1306.0330. Bibcode:2013A&A...

Hipparchos have magnitudes between -1.5 (Sirius) and +1.6 (Bellatrix, γ Orionis). The table below shows 22 stars brighter than +1.5 mag, but 5 of them...

; Zavala, R. T. (2013). "Dynamical mass of the O-type supergiant in ζ Orionis A". Astronomy & Astrophysics. 554: A52. arXiv:1306.0330. Bibcode:2013A&A...

K1III +3.87 Beta Carinae (Miaplacidus) 113.2 ± 0.4 1 A1 III +1.69 Phi2 Orionis 113.8 ± 0.7 1 G8 III-IV +4.081 Zeta Pictoris 116.5 ± 1.0 1 F6 IV +5.43...

Michelson, A. A.; Pease, F. G. (1921). "Measurement of the diameter of Alpha Orionis with the interferometer". Astrophysical Journal. 53 (5): 249–259. Bibcode:1921ApJ...

730±0.049 ly) G-type Alsafi (Sigma Draconis) (18.7993±0.0081 ly) Achird (Eta Cassiopeiae) (19.3314±0.0025 ly) K-type main-sequence star B e (82 G.) Eridani...

Centauri), Kuma (Nu Draconis), Deneb (Alpha Cygni), Propus (Eta Geminorum), Heka (Lambda Orionis), Rana (Delta Eridani), Regor (Gamma Velorum) Opteron CPUs:...

observed the star cluster within it (previously cataloged as a single star, θ Orionis, by Johann Bayer). The French observer Nicolas-Claude Fabri de Peiresc...

(1981). "The near ultraviolet stellar spectra of alpha Lyrae and beta Orionis". Monthly Notices of the Royal Astronomical Society. 197: 57–74. Bibcode:1981MNRAS...

M3 IIIab 5.47±0.01 K2-148 407 1 K7V Has 3 exoplanets. Betelgeuse (Alpha Orionis) 408 – 548+90 −49 1 M1–M2 Ia–ab +0.50 The closest red supergiant star an...

Kent or even Rigil, though the latter name is better known for Rigel (β Orionis). An alternative name found in European sources, Toliman, is an approximation...

; Jayawardhana, R. (2002-11-01). "Direct detection of the companion of Orionis". Astronomy & Astrophysics. 394 (3): L43–L46. doi:10.1051/0004-6361:20021377...

to start observations sometime in the 2030s. 7.9 Gm – Diameter of Gamma Orionis, a blue dwarf or blue giant 9.0 Gm – Estimated diameter of the event horizon...

Abraham; Pease, Francis G. (1921). "Measurement of the diameter of alpha Orionis with the interferometer". Astrophysical Journal. 53 (5): 249–59. Bibcode:1921ApJ...

Bertiau, F. C. (May 1957). "The Orbits of the Spectroscopic Binaries Rho Orionis, Eta Bootis, and 32 Virginis". Astrophysical Journal. 125: 696. Bibcode:1957ApJ...

become peculiar[clarification needed] blue giants. Examples: Meissa (λ Orionis A), a O-type giant. Alcyone (η Tauri), a B-type giant, the brightest star...

Richardson, Noel D.; Russell, Christopher M. P.; Stevens, Ian R. (1 July 2022). "Eta Carinae: an evolving view of the central binary, its interacting winds and...