Delta Hydrae, Latinized from δ Hydrae, is a double star in the equatorial constellation of Hydra. It is visible to the naked eye with an apparent visual...

Epsilon Hydrae, Delta Hydrae, Sigma Hydrae, Eta Hydrae, Rho Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae Consequently, Epsilon Hydrae itself is...

of Sigma Hydrae, Delta Hydrae, Eta Hydrae, Rho Hydrae, Epsilon Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae. Consequently, Sigma Hydrae itself is...

system 3.28 3.26 Alpha Doradus Binary star system 3.28 Delta Aquarii Star 3.28 Pi Hydrae Star 3.28 Delta Andromedae Binary star system 3.29 2.97 Mu Leporis...

extinction from intervening gas and dust. Delta Hydrae is about 12.9 light-years (4.0 parsecs) from Zeta Hydrae and may be a largely co-moving object. The...

Cepheids and cepheid-like Type I (Classical cepheids, Delta Scuti) Type II (BL Herculis, W Virginis, RV Tauri) RR Lyrae Rapidly oscillating Ap SX Phoenicis...

stars Delta, Epsilon, Zeta, Eta, Rho and Sigma Hydrae. Orion's Belt consists of the three bright stars Zeta (Alnitak), Epsilon (Alnilam) and Delta Orionis...

globe). Thus Beta Crucis appears to the right of the constellation and Delta Crucis to the left, in mirror image of the way they actually appear in the...

those of more than half of T Tauri stars such as AA Tauri as well as TW Hydrae, IRC +10216 and APM 08279+5255, VY Canis Majoris and S Persei. Liquid water...

Model-Theoretic Approach to Ordinal Analysis" (1997). M. Rathjen, W. Carnielli, "Hydrae and subsystems of arithmetic" (1991) Jeroen Van der Meeren; Rathjen, Michael;...

I. Description of methods, and results for RS Chamaeleontis and chi 2 Hydrae". Astronomy and Astrophysics. 44: 445–458. Bibcode:1975A&A....44..445A....

Crateris, Gamma Crateris, Zeta Crateris, Lambda Crateris, Nu Hydrae, Eta Crateris, Delta Crateris, Iota Crateris, Kappa Crateris, Epsilon Crateris, HD...

properties distinguish the SX Phoenicis variables from their cousins, the Delta Scuti variables. The latter have longer periods, higher metallicity and...

Hydra. The three brightest stars—Delta, Alpha, and Gamma Crateris—form a triangle located near the brighter star Nu Hydrae in Hydra. Within the constellation's...

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...

between Delphinus and Pegasus Bufo /ˈbjuːfoʊ/ Bufonis Toad 1754 John Hill 58 Hydrae, Sigma Librae tail of Hydra Cancer Minor /ˈkænsərˈmaɪnər/ Cancri Minoris...

typically one or a few days. The shortest-known period is 0.29 days (QY Hydrae); the longest is 198.5 days (W Crucis). In beta Lyrae systems with periods...

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...

Lunar and Planetary Laboratory. 4 (99): 99. Bibcode:1966CoLPL...4...99J. "Delta Geminorum (Wasat)", SIMBAD, Centre de Données astronomiques de Strasbourg...

by G. Kirch, then R Hydrae in 1704 by G. D. Maraldi. By 1786, ten variable stars were known. John Goodricke himself discovered Delta Cephei and Beta Lyrae...

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...

to Sirius Mira, a variable consisting of a red giant and a white dwarf Delta Cephei, a Cepheid variable Almaaz, an eclipsing binary Spica Alpha Centauri...

type of A7V, as opposed to the slow-rotating standard star 2 Hydrae. It is also a Delta Scuti variable, and its apparent magnitude varies from 4.47 to...

time TTS – (celestial object) T-Tauri star TWA – (celestial object) TW Hydrae Association TYC – (catalog) Tycho, a catalog that was the predecessor of...