• Thumbnail for Epsilon Hydrae
    Epsilon HydraeHydrae, abbreviated Epsilon Hya, ε Hya) is a multiple star system of a combined third magnitude in the constellation of Hydra. Based...
    14 KB (1,182 words) - 16:33, 26 May 2025
  • Thumbnail for Hydra (constellation)
    Hydra (constellation) (redirect from Hydrae)
    from Earth. Gamma Hydrae is a yellow giant of magnitude 3.0, 132 light-years from Earth. Hydra has one bright binary star, Epsilon Hydrae, which is difficult...
    17 KB (1,865 words) - 23:26, 1 March 2025
  • 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 (1,002 words) - 16:40, 9 April 2025
  • corresponds to part of the constellation Hydra, including the star Epsilon Hydrae which has been named Ashlesha. It extends from 16:40 to 30:00 Cancer...
    2 KB (155 words) - 21:51, 20 March 2025
  • Thumbnail for Rho Hydrae
    quadrilateral due to the suggestive proximity (close arc distance) to Epsilon Hydrae (ε Hya). This shape in the Greco-Roman tradition, which draws on trading...
    11 KB (874 words) - 03:20, 15 November 2024
  • 366 3.36 Epsilon Lupi Binary star system 3.37 Epsilon Cassiopeiae Star Slightly variable 3.38 3.32 Delta Virginis Star 3.38 Epsilon Hydrae Quintuple...
    37 KB (1,525 words) - 11:40, 24 May 2025
  • 102117 (Uklun) 128.65 ± 0.09 1 G6V 7.47 WD 0343+247 129 ± 1 1 DX13 +19.0 Epsilon Hydrae (Ashlesha) 129 ± 5 3 G5 III + F0 V + F5 3.38 + 7.5 Gamma Centauri (Muhlifain)...
    21 KB (130 words) - 16:08, 29 May 2025
  • Thumbnail for K-type main-sequence star
    sequence. Well-known examples include Alpha Centauri B (K1 V), Epsilon Indi (K5 V) and Epsilon Eridani (K2 V). In modern usage, the names applied to K-type...
    13 KB (1,425 words) - 20:20, 10 March 2025
  • Thumbnail for Asterism (astronomy)
    includes Epsilon Cancri. The Snake Head is the westernmost portion of Hydra consisting of the stars Delta, Epsilon, Zeta, Eta, Rho and Sigma Hydrae. Orion's...
    30 KB (3,232 words) - 01:42, 14 May 2025
  • 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 (3,834 words) - 22:55, 6 May 2025
  • (K2-141b). Iota Antliae 202 ± 2 1 K1 III +4.60 Epsilon Trianguli Australis 202 ± 2 1 K0 III 4.11 12 Hydrae (D Hydrae) 202 ± 8 1 G8 IIIb CN-1 4.32 HD 43197 (Amadioha)...
    10 KB (130 words) - 16:04, 30 May 2025
  • Thumbnail for Alpha Crateris
    Zeta Crateris, Lambda Crateris, Nu Hydrae, Eta Crateris, Delta Crateris, Iota Crateris, Kappa Crateris, Epsilon Crateris, HD 95808, HD 93833, Theta Crateris...
    9 KB (851 words) - 20:39, 11 April 2025
  • 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) - 11:29, 25 March 2025
  • traditional star names, there were some coined in modern times, e.g. "Avior" for Epsilon Carinae (1930), and a number of stars named after people (mostly in the...
    108 KB (2,160 words) - 17:15, 25 May 2025
  • Thumbnail for Scorpius–Centaurus association
    ~3–5 million-year-old Epsilon Chamaeleontis group, ~7 million-year-old Eta Chamaeleontis moving group, ~8 million-year-old TW Hydrae association, ~12 million-year-old...
    13 KB (1,491 words) - 18:37, 2 March 2025
  • confirmed exoplanet (HD 50499b). Epsilon Hydri 151.8 ± 0.6 1 B9 Va 4.12 Theta¹ Tauri 152 ± 3 1 G9 III Fe-0.5 3.84 Epsilon Draconis B 152.5 ± 0.3 1 F6V 6...
    17 KB (130 words) - 16:03, 30 May 2025
  • night sky as seen from Earth, and the closest yellow supergiant star. Beta Hydrae 310 ± 20 2 B9IIIp Si + kB8hB8HeA0VSi 4.29 Beta¹ Sagittarii (Arkab Prior)...
    10 KB (262 words) - 15:53, 29 May 2025
  • Thumbnail for List of Arabic star names
    Epsilon Orionis Alnitak an-Niṭāq the Girdle (Orion's Belt) النطاق النِّطَاق Zeta Orionis Alphard al-Fard the Solitary one الفرد الفَرْد Alpha Hydrae Alphecca...
    36 KB (573 words) - 18:30, 20 May 2025
  • B9Vn V1298 Tauri 354 ± 2 1 K0-K1.5 10.31 - 10.43 Has 4 exoplanets. Rho Hydrae 354 ± 8 1 A0 Vn 4.34 Tau1 Aquarii 355 ± 5 1 B9 V +5.66 HD 115587 356.2±0...
    10 KB (130 words) - 14:26, 29 May 2025
  • Kelu-1 (redirect from V421 Hydrae)
    dwarfs, which is already the case for other objects (AB Dor C, GJ 802 b and Epsilon Indi Ba, Bb). Also Stumpf et al. revealed a peculiarity in the spectrum...
    25 KB (2,555 words) - 01:10, 19 April 2025
  • Model-Theoretic Approach to Ordinal Analysis" (1997). M. Rathjen, W. Carnielli, "Hydrae and subsystems of arithmetic" (1991) Jeroen Van der Meeren; Rathjen, Michael;...
    52 KB (4,962 words) - 01:04, 30 May 2025
  • Gliese 3222 56.4 ± 0.7 KV ADS 9544 56.4 ± 0.8 KV Gliese 727 56.4 ± 1 KV Tau¹ Hydrae 56.5 ± 2.2 Hydra F6V 4.59 Gliese 3833 56.5 ± 1 KV DENIS-P J1058.7-1548 56...
    45 KB (1,647 words) - 13:29, 26 May 2025
  • Thumbnail for Crater (constellation)
    Alpha, and Gamma Crateris—form a triangle located near the brighter star Nu Hydrae in Hydra. Within the constellation's borders, there are 33 stars brighter...
    39 KB (4,805 words) - 05:56, 28 April 2025
  • 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...
    23 KB (1,979 words) - 13:19, 17 April 2025
  • Beuermann, K.; Reinsch, K. (2024). "Current and secular accretion rates of EX Hydrae". Astronomy and Astrophysics. 687: A273. arXiv:2412.13850. Bibcode:2024A&A...
    174 KB (10,912 words) - 13:17, 30 May 2025
  • Thumbnail for Brown dwarf
    signature, this object was determined to belong to the ~8-million-year-old TW Hydrae association, and the mass of the secondary was determined to be 8 ± 2 MJ...
    166 KB (18,158 words) - 19:25, 21 May 2025
  • Thumbnail for List of largest stars
    Moon, including Antares and 119 Tauri. Examples of eclipsing binaries are Epsilon Aurigae (Almaaz), VV Cephei, and V766 Centauri (HR 5171). Angular diameter...
    276 KB (12,781 words) - 16:59, 24 May 2025
  • Thumbnail for Binary star
    with a mass that is 98% of the Sun. An example of an eclipsing binary is Epsilon Aurigae in the constellation Auriga. The visible component belongs to the...
    68 KB (8,202 words) - 02:35, 23 March 2025
  • a. T.; Höfner, S.; Hron, J. (1 July 2024). "An impressionist view of V Hydrae - When MATISSE paints asymmetric giant blobs". Astronomy & Astrophysics...
    129 KB (8,706 words) - 05:51, 30 May 2025
  • Christopher J. (2000-08-01). "WFPC2 Images of a Face-on Disk Surrounding TW Hydrae". The Astrophysical Journal. 538 (2): 793–800. Bibcode:2000ApJ...538..793K...
    96 KB (7,283 words) - 13:15, 23 May 2025