• Thumbnail for Pi Hydrae
    Pi Hydrae, Latinized from π Hydrae, is a star in the constellation Hydra with an apparent visual magnitude of 3.3, making it visible to the naked eye....
    8 KB (607 words) - 17:44, 24 September 2024
  • Thumbnail for Hydra (constellation)
    Hydra (constellation) (redirect from Hydrae)
    Clyde Tombaugh looked at photographic plates taken of the region near Pi Hydrae on 12 May 1931. M83 (NGC 5236), the Southern Pinwheel Galaxy, is an 8th...
    17 KB (1,848 words) - 17:14, 14 September 2024
  • 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 Star...
    37 KB (1,546 words) - 21:08, 17 March 2024
  • Thumbnail for TW Hydrae
    TW Hydrae is a T Tauri star approximately 196 light-years away in the constellation of Hydra (the Sea Serpent). TW Hydrae is about 80% of the mass of the...
    16 KB (1,439 words) - 00:34, 21 August 2024
  • TW Hydrae b is a likely extrasolar planet orbiting the young T Tauri star TW Hydrae approximately 176 light-years (54 parsecs, or nearly 1.665×1016 km)...
    8 KB (993 words) - 02:31, 28 November 2023
  • R_{\odot }} . From : R = L 4 π σ T e 4 {\displaystyle R={\sqrt {\frac {L}{4\pi \sigma {T_{e}}^{4}}}}} , where L {\displaystyle L} is the luminosity, R {\displaystyle...
    149 KB (13,132 words) - 14:37, 16 October 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
  • references Beta Eridani (Cursa) 90.0 ± 0.9 1 A3 III 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...
    4 KB (202 words) - 04:40, 17 September 2024
  • आश्ळेषा/आश्लेषा "the embrace" δ, ε "Āshleshā Nakshatra", η, ρ, and σ "Minchir" Hydrae Lord: Budh (Mercury) Symbol: Serpent Deity : Sarpas or Nagas, deified snakes...
    31 KB (274 words) - 03:05, 15 September 2024
  • Thumbnail for IAU designated constellations
    Horologii 1763, Lacaille pendulum clock α Horologii Hydra /ˈhaɪdrə/ Hya Hyda Hydrae ancient (Ptolemy) Hydra (mythological creature) Alphard Hydrus /ˈhaɪdrəs/...
    30 KB (848 words) - 05:20, 20 October 2024
  • zodiac: 29° 20′ Cancer – 12° 40′ Leo 9 Āśleṣā "The Embrace" δ, ε, η, ρ, and σ Hydrae Astrological leader: Budha (Mercury) Symbol: Serpent Deity: Nagas, divine...
    29 KB (1,386 words) - 18:26, 15 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;...
    51 KB (4,868 words) - 00:15, 14 October 2024
  • 971 Has 6 exoplanets. Pi Cassiopeiae 175 ± 3 2 A5V + A5V +4.949 Beta Gruis (Tiaki) 177 ± 4 1 M4.5 III 2.146 Alphard (Alpha Hydrae) 177 ± 8 1 K3IIIa +2...
    7 KB (133 words) - 12:42, 1 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
  • Thumbnail for Kepler-1229b
    circular orbit: 4 π 2 T 2 = G M R 3 {\displaystyle {\begin{smallmatrix}{\frac {4\pi ^{2}}{T^{2}}}={\frac {GM}{R^{3}}}\end{smallmatrix}}} Mass and the period are...
    12 KB (1,141 words) - 20:22, 30 April 2024
  • time TTS – (celestial object) T-Tauri star TWA – (celestial object) TW Hydrae Association TYC – (catalog) Tycho, a catalog that was the predecessor of...
    139 KB (13,307 words) - 15:40, 17 September 2024
  • which is essential for the colonization of the ectodermal mucus layer of Hydrae. Enterococcus faecalis is an opportunistic, gram-positive bacteria that...
    81 KB (9,940 words) - 22:26, 15 October 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
  • 2016. From L = 4 π R 2 σ T e f f 4 {\displaystyle {\begin{smallmatrix}L=4\pi R^{2}\sigma T_{\rm {eff}}^{4}\end{smallmatrix}}} , where L {\displaystyle...
    8 KB (621 words) - 12:23, 21 September 2024