• Thumbnail for Upsilon Orionis
    Upsilon Orionis (υ Ori, υ Orionis) is a star in the constellation Orion. It has the traditional name Thabit /ˈθeɪbɪt/ or Tabit (ﺛﺎﺑﺖ, Arabic for "the...
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  • Thumbnail for Stellar classification
    understandings of quantum mechanics. Spectral standards: B0V – Upsilon Orionis B0Ia – Alnilam B2Ia – Chi2 Orionis B2Ib – 9 Cephei B3V – Eta Ursae Majoris B3V – Eta...
    106 KB (11,560 words) - 11:18, 4 January 2025
  • mathematician and astronomer Thabit number Tabit (town) (or Thabit), Sudan Upsilon Orionis or Thabit – a star in the constellation Orion Sabit, the Turkish equivalent...
    967 bytes (155 words) - 21:09, 4 November 2024
  • (August 1981). "Nonradial pulsations in the zero-age main-sequence star upsilon Orionis /09.5 V/". The Astrophysical Journal. 248: 214–221. Bibcode:1981ApJ...
    165 KB (8,888 words) - 05:35, 1 January 2025
  • Thumbnail for 29 Orionis
    stars (the other being Upsilon Orionis) marking the top of Orion's right boot. It has the Bayer designation e Orionis, while 29 Orionis is the Flamsteed designation...
    8 KB (697 words) - 08:45, 1 January 2025
  • Thumbnail for Asterism (astronomy)
    Belt and Sword of Orion. The end of the handle is at ι Orionis, with the far rim at η Orionis.[citation needed] The four central stars in Hercules, Epsilon...
    29 KB (3,204 words) - 08:04, 4 November 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 (1,619 words) - 00:33, 26 December 2024
  • Thumbnail for F-type main-sequence star
    define the system, are considered to be 78 Ursae Majoris (F2 V) and Pi3 Orionis (F6 V). In addition to those two standards, Morgan & Keenan (1973) considered...
    11 KB (1,249 words) - 07:57, 17 September 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...
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  • Binary star system 3.581 Eta Pavonis Star 3.589 Upsilon Librae Star 3.59 Rho Boötis Star 3.59 Tau Orionis Star 3.59 Theta Ceti Star 3.60 Gamma Leporis Star...
    37 KB (1,546 words) - 21:08, 17 March 2024
  • Thumbnail for Sigma Octantis
    it can be positively verified using an asterism: Sigma, Chi, Tau, and Upsilon Octantis are all stars of around magnitude 5.6, and form the distinctive...
    12 KB (1,059 words) - 17:18, 18 August 2024
  • Thumbnail for List of nearest stars by spectral type
    ; Jayawardhana, R. (2002-11-01). "Direct detection of the companion of Orionis". Astronomy & Astrophysics. 394 (3): L43 – L46. doi:10.1051/0004-6361:20021377...
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  • Thumbnail for Pole star
    stars Gamma Chamaeleontis (4200 AD), I Carinae, Omega Carinae (5800 AD), Upsilon Carinae, Iota Carinae (Aspidiske, 8100 AD) and Delta Velorum (Alsephina...
    27 KB (2,551 words) - 10:42, 3 January 2025
  • 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...
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  • Thumbnail for List of largest exoplanets
    Christian (2016-03-20). "THE FIRST BROWN DWARF/PLANETARY-MASS OBJECT IN THE 32 ORIONIS GROUP*". The Astrophysical Journal. 820 (1): 32. arXiv:1602.03022. Bibcode:2016ApJ...
    240 KB (14,181 words) - 10:54, 5 January 2025