• Thumbnail for Alnitak
    Alnitak (redirect from Zeta orionis)
    It has the designations ζ Orionis, which is Latinised to Zeta Orionis and abbreviated Zeta Ori or ζ Ori, and 50 Orionis, abbreviated 50 Ori. The system...
    14 KB (1,322 words) - 01:27, 4 July 2024
  • Thumbnail for Mintaka
    Mintaka (redirect from Delta Orionis)
    in the constellation of Orion. Together with Alnitak (Zeta Orionis) and Alnilam (Epsilon Orionis), the three stars form Orion's Belt, known by many names...
    25 KB (2,150 words) - 23:23, 28 July 2024
  • Thumbnail for Orion's Belt
    Publishing. p. 102. ISBN 9783319901169. Guide, Universe. "Alnitak / Zeta Orionis Star Facts (Type, Distance, Magnitude, Age, Colour, Location and more)...
    16 KB (1,617 words) - 23:14, 30 July 2024
  • Thumbnail for Bellatrix
    Bellatrix (redirect from Γ Orionis)
    red supergiant Betelgeuse (Alpha Orionis). It has the Bayer designation γ Orionis, which is Latinized to Gamma Orionis. With a slightly variable magnitude...
    23 KB (2,245 words) - 23:16, 29 July 2024
  • Thumbnail for Orion (constellation)
    Epsilon, and Zeta represented his belt. His left shoulder was represented by Alpha Orionis, and Mu Orionis made up his left arm. Lambda Orionis was his head...
    46 KB (5,215 words) - 17:44, 6 August 2024
  • Thumbnail for O-type star
    4 visibly bright O-type stars are Gamma Velorum, Alnitak (Zeta Orionis), Mintaka (Delta Orionis), and Zeta Puppis. The corona present in other spectral types...
    30 KB (3,350 words) - 09:26, 22 April 2024
  • Thumbnail for Williamina Fleming
    "a semicircular indentation 5 minutes in diameter 30 minutes south of Zeta Orionis". Subsequent professional publications neglected to give credit to Fleming...
    20 KB (2,031 words) - 19:47, 5 August 2024
  • Thumbnail for List of Arabic star names
    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...
    35 KB (572 words) - 04:47, 2 July 2024
  • Thumbnail for Interstellar medium
    revealed double and asymmetric profiles in the spectra of Epsilon and Zeta Orionis. These were the first steps in the study of the very complex interstellar...
    60 KB (7,343 words) - 22:10, 1 August 2024
  • Thumbnail for List of nearest stars by spectral type
    Zavala, R. T. (June 2013). "Dynamical mass of the O-type supergiant in Zeta Orionis A". Astronomy & Astrophysics. 554: A52. arXiv:1306.0330. Bibcode:2013A&A...
    158 KB (12,876 words) - 00:47, 24 July 2024
  • Thumbnail for Asterism (astronomy)
    the 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)...
    29 KB (3,204 words) - 04:10, 12 July 2024
  • "strongly romantic and lyrical". It was followed by his short story "Zeta Orionis", extracted from his then-unpublished second novel, which won the top...
    11 KB (976 words) - 07:24, 6 November 2023
  • Thumbnail for O-type main-sequence star
    57682, 14 Cephei, 10 Lacertae) and 3 O9.5 V standards (HD 34078, Sigma Orionis, Zeta Ophiuchi). An important review on spectral classification by Morgan...
    12 KB (1,301 words) - 01:29, 4 July 2024
  • Thumbnail for Bow shock
    shock image (IRS8) (17 October 2000) NASA Astronomy Picture of the Day: Zeta Oph: Runaway Star (8 April 2017) Bow shock image (HD77581) Bow shock image...
    18 KB (2,032 words) - 21:20, 23 July 2024
  • Carinae Star 3.35 3.31 Eta Orionis Quadruple star system 3.35 Theta Leonis Star 3.35 Omicron Ursae Majoris Star 3.35 Zeta Cephei Star Suspected variable...
    37 KB (1,546 words) - 21:08, 17 March 2024
  • Thumbnail for Bayer designation
    are some exceptions such as the chain of stars π1, π2, π3, π4, π5 and π6 Orionis. The most stars given the same Bayer designation but with an extra number...
    16 KB (1,607 words) - 16:42, 11 February 2024
  • Thumbnail for Blue supergiant
    central star of Orion's Belt Saiph (Kappa Orionis) B-type supergiant, spectral type B0.5Ia Chi2 Orionis B-type supergiant, spectral type B2Ia 5 Persei...
    21 KB (2,494 words) - 21:28, 4 August 2024
  • Thumbnail for Canis Major
    Eta (Aludra) at 2.4 and Omicron2 at 3.0, and white spectroscopic binary Zeta (Furud), also at 3.0. The red hypergiant VY CMa is one of the largest stars...
    59 KB (6,873 words) - 16:08, 17 July 2024
  • Thumbnail for Canis Minor
    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...
    43 KB (4,929 words) - 04:18, 5 July 2024
  • Thumbnail for Pole star
    degrees from Polaris. Eta Ophiuchi is the north pole star of Uranus, and 15 Orionis is its south pole star. The north pole of Neptune points to a spot midway...
    27 KB (2,808 words) - 22:55, 30 June 2024
  • Thumbnail for Lyra
    eclipsing binaries - Into the G stars with HS Aurigae, FL Lyrae, and EW Orionis". The Astronomical Journal. 91: 383. Bibcode:1986AJ.....91..383P. doi:10...
    68 KB (7,573 words) - 23:23, 16 July 2024
  • Thumbnail for Deneb
    study of mass loss from the mid-ultraviolet spectrum of α Cygni (A2 Ia), β Orionis (B8 Ia), and η Leonis (A0 Ib)". The Astrophysical Journal. 223: 207. Bibcode:1978ApJ...
    28 KB (2,991 words) - 03:13, 1 August 2024
  • Thumbnail for Star
    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...
    146 KB (16,353 words) - 19:43, 1 August 2024
  • Thumbnail for Stellar classification
    quantum mechanics. Spectral standards: B0V – Upsilon Orionis B0Ia – Alnilam B2Ia – Chi2 Orionis B2Ib – 9 Cephei B3V – Eta Ursae Majoris B3V – Eta Aurigae...
    104 KB (11,330 words) - 14:12, 9 August 2024
  • Thumbnail for Serpens
    297, been found to have a dusty disk surrounding it, and is also a UX Orionis star, meaning that it shows irregular variations in its brightness. The...
    119 KB (11,793 words) - 02:41, 17 July 2024
  • Draco 18h 21m 03.4s +72° 43′ 58″ F7V 3.68# 124.11±0.87 B$ K0V 5.67# Pi3 Orionis (Tabit)$ 26.316±0.036 Orion 04h 49m 50.4s +06° 57′ 41″ F6V 3.16# 123.94±0...
    61 KB (2,158 words) - 17:57, 22 July 2024
  • Thumbnail for Extraterrestrial sky
    Ophiuchi), a magnitude 2.4 star. Uranus also has a southern polar star, 15 Orionis, a magnitude 4.8 star. Both are fainter than Earth's Polaris (α Ursae Minoris)...
    52 KB (6,195 words) - 23:52, 3 August 2024
  • Thumbnail for Slowly pulsating B-type star
    1.02 170 HD 34798 6.39 B5Vs 1.28 263 HD 176582 6.40 B5V 1.58 292 V1377 Orionis 6.41 B3III 1.01 476 HR 8768 6.42 B2V 3.25 326 GY Eridani 6.42 B3V 1.33...
    10 KB (689 words) - 19:11, 12 August 2023