• Thumbnail for Rho Hydrae
    Rho Hydrae, equally written ρ Hydrae, is a binary star in the equatorial constellation of Hydra. It is visible to the naked eye with an apparent visual...
    11 KB (861 words) - 20:29, 21 July 2024
  • 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 (1,164 words) - 06:15, 19 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
  • – 6.87 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 K2-302 359.3 1...
    6 KB (133 words) - 22:45, 8 October 2024
  • Epsilon Hydrae Quintuple star system 3.38 Zeta Virginis Binary star system Slightly variable 3.386 3.38 Nu Centauri Binary star system 3.39 3.30 Rho Persei...
    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) - 06:02, 28 September 2024
  • Thumbnail for List of nearby stellar associations and moving groups
    Formerly part of the GAYA (Great Austral Young Association) TW Hydrae association TW Hydrae Hydra 160 10 Carina Association Carina 200 45 Formerly part of...
    15 KB (1,024 words) - 22:27, 11 October 2024
  • Thumbnail for Asterism (astronomy)
    portion of Hydra consisting of the stars Delta, Epsilon, Zeta, Eta, Rho and Sigma Hydrae. Orion's Belt consists of the three bright stars Zeta (Alnitak),...
    29 KB (3,204 words) - 04:10, 12 July 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...
    7 KB (133 words) - 12:42, 1 October 2024
  • Kellogg, Kendra (11 April 2016). "The Nearest Isolated Member of the TW Hydrae Association is a Giant Planet Analog". Astrophysical Journal Letters. 821...
    82 KB (8,087 words) - 14:22, 15 October 2024
  • Thumbnail for List of largest stars
    The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars. (Pistol Star, Rho Cassiopeiae, Betelgeuse, and VY Canis Majoris)...
    239 KB (10,325 words) - 09:28, 13 October 2024
  • 56.4 ± 0.7 1 KV ADS 9544 56.4 ± 0.8 2 KV Gliese 727 56.4 ± 1 1 KV Tau1 Hydrae 56.5 ± 2.2 2 F6V 4.59 Gliese 3833 56.5 ± 1 1 KV DENIS-P J1058.7-1548 56...
    36 KB (1,514 words) - 14:19, 6 October 2024
  • {\displaystyle R_{\rm {CF}}=R_{\rm {P}}\left({\frac {B_{\rm {surf}}^{2}}{\mu _{0}\rho V_{\rm {SW}}^{2}}}\right)^{\frac {1}{6}}} A magnetosphere is classified as...
    21 KB (2,382 words) - 04:06, 12 October 2024
  • 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...
    161 KB (17,628 words) - 10:48, 8 October 2024
  • Thumbnail for Scorpius–Centaurus association
    million-year-old Eta Chamaeleontis moving group, ~8 million-year-old TW Hydrae association, ~12 million-year-old Beta Pictoris moving group, and possibly...
    13 KB (1,491 words) - 19:32, 10 October 2024
  • Thumbnail for Variable star
    variability in 1784. Chi Cygni was identified in 1686 by G. Kirch, then R Hydrae in 1704 by G. D. Maraldi. By 1786, ten variable stars were known. John Goodricke...
    51 KB (6,578 words) - 18:50, 6 October 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 Dust astronomy
    formation and wind acceleration around the aluminum oxide-rich AGB star W Hydrae". Science Advances. 3 (11): id.eaao2149. Bibcode:2017SciA....3O2149T. doi:10...
    167 KB (19,434 words) - 22:00, 6 October 2024