• Theta Hydrae, Latinized from θ Hydrae, is a binary star system in the constellation Hydra. It is visible to the naked eye with an apparent visual magnitude...
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  • Thumbnail for Epsilon Hydrae
    Epsilon Hydrae, Delta Hydrae, Sigma Hydrae, Eta Hydrae, Rho Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae Consequently, Epsilon Hydrae itself is...
    14 KB (1,179 words) - 15:27, 9 September 2024
  • of Sigma Hydrae, Delta Hydrae, Eta Hydrae, Rho Hydrae, Epsilon Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae. Consequently, Sigma Hydrae itself is...
    12 KB (988 words) - 20:50, 22 August 2024
  • Omega Hydrae, Latinised from ω Hydrae, is a golden-hued star in the equatorial constellation of Hydra, located to the west-southwest of the brighter star...
    7 KB (541 words) - 08:38, 23 August 2024
  • Albireo Double star 3.10 Zeta Hydrae Star 3.11 3.05 Eta Sagittarii Binary star system 3.11 Alpha Indi Star 3.11 Nu Hydrae Star 3.11 Kappa Centauri Binary...
    37 KB (1,546 words) - 21:08, 17 March 2024
  • Thumbnail for Bow shock
    heliosphere. In 2006, a far infrared bow shock was detected near the AGB star R Hydrae. Bow shocks are also a common feature in Herbig Haro objects, in which a...
    18 KB (2,052 words) - 12:29, 23 August 2024
  • night sky as seen from Earth, and the closest yellow supergiant star. Beta Hydrae 310 ± 20 2 B9IIIp Si + kB8hB8HeA0VSi 4.29 CW Leonis 310 1 C9,5e 14.5 The...
    6 KB (265 words) - 14:32, 14 September 2024
  • Solar-Like Oscillations, Observational Constraints, and Stellar Models for $\theta$ Cyg, the Brightest Star Observed by the {\it Kepler} Mission". The Astrophysical...
    146 KB (13,067 words) - 10:07, 18 August 2024
  • Mamajek (2005). "A Moving Cluster Distance to the Exoplanet 2M1207b in the TW Hydrae Association". The Astrophysical Journal. 634 (2): 1385–1394. arXiv:astro-ph/0507416...
    3 KB (447 words) - 15:23, 5 April 2023
  • var 2.796 HD 82943 (164 G. Hydrae) 90.31 ± 0.07 1 F9 V Fe+0.5 6.54 Has 3 exoplanets. Kappa Ophiuchi 91.5±0.5 1 K2III 3.20 Theta Pegasi 92 ± 2 2 A2V + M4-5...
    4 KB (202 words) - 03:36, 15 September 2024
  • Thumbnail for Asterism (astronomy)
    Hydra consisting of the stars Delta, Epsilon, Zeta, Eta, Rho and Sigma Hydrae. Orion's Belt consists of the three bright stars Zeta (Alnitak), Epsilon...
    29 KB (3,204 words) - 04:10, 12 July 2024
  • Thumbnail for Alpha Crateris
    Lambda Crateris, Nu Hydrae, Eta Crateris, Delta Crateris, Iota Crateris, Kappa Crateris, Epsilon Crateris, HD 95808, HD 93833, Theta Crateris, HD 102574...
    9 KB (826 words) - 21:18, 5 September 2024
  • + A5V +4.949 Beta Gruis (Tiaki) 177 ± 4 1 M4.5 III 2.146 Alphard (Alpha Hydrae) 177 ± 8 1 K3IIIa +2.00 R Doradus 178 ± 10 1 M8 III 4.78 – 6.32 The star...
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  • Thumbnail for Flag of Brazil
    1889 1889 Mato Grosso do Sul Alpha Hydrae (Alphard) Hydra, the Water Serpent 2 1979[note] 1960[note] Acre Gamma Hydrae Hydra, the Water Serpent 3 1962 1968...
    43 KB (3,868 words) - 14:03, 3 September 2024
  • Model-Theoretic Approach to Ordinal Analysis" (1997). M. Rathjen, W. Carnielli, "Hydrae and subsystems of arithmetic" (1991) Jeroen Van der Meeren; Rathjen, Michael;...
    50 KB (4,805 words) - 06:25, 13 September 2024
  • Thumbnail for List of Arabic star names
    النِّطَاق Zeta Orionis Alphard al-Fard the Solitary one الفرد الفَرْد Alpha Hydrae Alphecca (Nayyir) al-Fakkah (the Bright one of) the Broken (Ring) نير الفكة...
    35 KB (572 words) - 04:47, 2 July 2024
  • Thumbnail for Zeta Aquilae
    light-years (25 parsecs) distant from the Sun. It is a candidate member of the TW Hydrae association of co-moving stars. Zeta Aquilae's two components can be designated...
    21 KB (1,880 words) - 05:37, 17 July 2024