• 0.65 d FU Ori FU 05h 45m 22.36s +09° 04′ 12.4″ 9.60 F0Iab prototype FU Orionis star BF Ori BF 26403 05h 37m 13.26s −06° 35′ 00.6″ 9.69 A7III UX Ori star...
    51 KB (100 words) - 02:08, 16 May 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 (2,237 words) - 20:46, 12 March 2024
  • Thumbnail for Alnilam
    Alnilam (redirect from Epsilon Orionis)
    constellation of Orion. It has the Bayer designation ε Orionis, which is Latinised to Epsilon Orionis and abbreviated Epsilon Ori or ε Ori. This is a massive...
    15 KB (1,490 words) - 07:29, 10 June 2024
  • Thumbnail for Mintaka
    Mintaka (redirect from Delta Orionis)
    Mintaka /ˈmɪntəkə/, designation Delta OrionisOrionis, abbreviated Delta Ori, δ Ori) and 34 Orionis (34 Ori), is a multiple star system some 1,200 light-years...
    25 KB (2,150 words) - 23:19, 3 May 2024
  • 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) - 23:58, 13 April 2024
  • Thumbnail for Betelgeuse
    Betelgeuse (redirect from Alpha Orionis)
    at near-infrared wavelengths. Its Bayer designation is α Orionis, Latinised to Alpha Orionis and abbreviated Alpha Ori or α Ori. With a radius 760 times...
    172 KB (18,254 words) - 04:51, 17 June 2024
  • Thumbnail for Orion (constellation)
    and Pi Orionis), and instead of an arm marked out by Mu Orionis, he holds a club (Chi Orionis). His right leg is represented by Theta Orionis and his...
    46 KB (5,178 words) - 15:15, 6 June 2024
  • Thumbnail for Xi Orionis
    Xi OrionisOrionis) is a binary star system in the northeastern part of the constellation of Orion, well above the red giant star Betelgeuse in the...
    7 KB (458 words) - 08:17, 21 October 2022
  • Thumbnail for Nu Orionis
    Nu OrionisOrionis) is a binary star system in the northeastern part of the constellation Orion. It should not be confused with the variable star NU...
    10 KB (719 words) - 16:49, 12 August 2023
  • Thumbnail for Pi4 Orionis
    Pi4 Orionis (π4 Ori, π4 Orionis) is a binary star system in the western part of the Orion constellation. It is visible to the naked eye with an apparent...
    9 KB (569 words) - 13:16, 27 October 2022
  • 36399 07h 29m 25.61s −07° 33′ 05.3″ 5.86 3.64 91 F8V HD 45320 45320 30666 06h 26m 39.59s −01° 30′ 26.2″ 5.87 1.64 229 A3Vn 12 Mon 12 46241 31159 06h 32m 19...
    41 KB (111 words) - 18:09, 13 February 2024
  • Thumbnail for Sh2-264
    Sh2-264 (redirect from Lambda Orionis Ring)
    the Lambda Orionis Ring seen by the Spitzer Space Telescope. Young stars are forming in this region. Barnard 35, a part of the Lambda Orionis Ring seen...
    4 KB (488 words) - 11:23, 21 January 2023
  • Thumbnail for Omicron1 Orionis
    Omicron1 Orionis (ο1 Ori) is a binary star in the northeastern corner of the constellation Orion. It is visible to the naked eye with an apparent visual...
    10 KB (671 words) - 05:23, 2 December 2022
  • Tau Orionis (τ Ori, τ Orionis) is a solitary star in the constellation Orion. If an imaginary line is drawn north-west between the stars Rigel and Mintaka...
    10 KB (836 words) - 12:13, 13 August 2023
  • Thumbnail for 69 Orionis
    69 Orionis is a single star in the equatorial constellation of Orion, positioned a couple of degrees to the north of Xi Orionis. It has the Bayer designation...
    9 KB (616 words) - 07:27, 15 January 2024
  • Thumbnail for Phi1 Orionis
    Phi1 Orionis is a binary star system in the constellation Orion, positioned less than a degree to the south of Meissa. It is visible to the naked eye...
    8 KB (545 words) - 23:38, 1 October 2023
  • Thumbnail for Pi6 Orionis
    Pi6 Orionis (π6 Ori, π6 Orionis) is a solitary star in the eastern part of the constellation Orion. It is visible to the naked eye with an apparent visual...
    7 KB (491 words) - 18:57, 12 March 2023
  • 74 Orionis is a single star in the equatorial constellation of Orion. It has the Bayer designation k Orionis, while 74 Orionis is the Flamsteed designation...
    8 KB (719 words) - 16:04, 26 February 2023
  • Thumbnail for Pi5 Orionis
    Pi5 Orionis (π5 Ori, π5 Orionis) is a binary star system in the constellation Orion. It has an apparent visual magnitude of 3.69, which is bright enough...
    11 KB (801 words) - 17:42, 11 December 2022
  • Omicron2 Orionis (ο2 Ori) is a solitary star in the constellation Orion. It has an apparent visual magnitude of 4.06, which is bright enough to be seen...
    6 KB (442 words) - 09:35, 14 August 2023
  • Thumbnail for Phi2 Orionis
    Phi2 Orionis is a star in the constellation Orion, where it forms a small triangle on the celestial sphere with the nearby Meissa and Phi1 Orionis. This...
    7 KB (436 words) - 21:22, 3 June 2024
  • Thumbnail for 32 Orionis
    32 Orionis is a triple star system in the equatorial constellation of Orion. It has the Bayer designation A Orionis, while 32 Orionis is the Flamsteed...
    10 KB (731 words) - 16:00, 26 February 2023
  • Thumbnail for Pi2 Orionis
    Pi2 Orionis (π2 Ori, π2 Orionis) is the Bayer designation for a solitary star in the equatorial constellation of Orion. Although the Bright Star Catalogue...
    8 KB (551 words) - 04:54, 18 November 2022
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    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 Antares
    Wavelengths of the Diameters of alpha Orionis and alpha Scorpii: Changes in Effective Temperature of alpha Orionis and Very Recent Dust Emission". Astrophysical...
    51 KB (5,275 words) - 22:43, 10 June 2024
  • Thumbnail for Gliese 208
    Gliese 208 (redirect from V2689 Orionis)
    The Astrophysical Journal. 804 (1): 64. arXiv:1501.01635. Bibcode:2015ApJ...804...64M. doi:10.1088/0004-637X/804/1/64. S2CID 19269312. McDonald, I.; Zijlstra...
    8 KB (617 words) - 16:47, 7 June 2024
  • University Press. p. 170. ISBN 0-521-44921-9. Kaler, James B. "Saiph (Kappa Orionis)". Stars. University of Illinois. Archived from the original on 2012-02-02...
    103 KB (2,126 words) - 16:22, 3 May 2024
  • Thumbnail for 11 Orionis
    11 Orionis is a solitary Ap star in the equatorial constellation of Orion, near the border with Taurus. It is visible to the naked eye with an apparent...
    8 KB (619 words) - 14:02, 12 September 2023
  • Thumbnail for Pi1 Orionis
    Pi1 Orionis (π1 Ori, π1 Orionis) is a star in the equatorial constellation of Orion. It is faintly visible to the naked eye with an apparent visual magnitude...
    7 KB (476 words) - 00:52, 9 February 2023
  • Thumbnail for Sh2-279
    nebula region is likely excited by the hot young star (YSO) called c Orionis, 42 Orionis or HD 37018 in NGC 1977, which appears as a 4.6 magnitude star some...
    9 KB (1,038 words) - 02:45, 29 November 2023