Xi Hydrae

Xi Hydrae (also known as Rhys, Medusa system, 13 Crateris and 288 G Hydrae) is a binary star system located in Federation space near the Romulan Star Empire, visible from Earth in the Hydra constellation, in the galaxy's Beta Quadrant.

History and specifics[]

Xi Hydrae is the home of planet Xi Hydrae IV, more commonly known as Visalayan, homeworld of the Medusans. (ST references: Star Charts, The Worlds of the Federation)

Appendices[]

Connections[]

Stars, systems and objects of the Hydra constellation
Beta Hydra 378 • Gamma Hydra • Epsilon Hydrae • Lambda Hydrae • Pi Hydrae (Norkan) • Tau Hydrae (Celes) • Theta Hydrae (Gorath) • Xi Hydrae

stars, systems and objects of the Crater constellation
Gamma Crateris binary: Crateris colony • Lambda Crateris binary

Alpha and Beta Quadrant stars and star systems (X)
Xanthii • Xaraka • Xarlun • Xarmuk • Xarnex • Xarnial • Xer • Xerliur • Xerrias • Xerxes • Ximega • Xoja • Xormiur • Xornien • Xorxias • Xumiux • Xuner • Xuniek • Xuram • Xuxiaz • Xuziol
Alpha Quadrant stars and systems (X)	Xi Andromedae • Xi Herculis • Xoxa • Xyrillia
Beta Quadrant stars and systems (X)	Xarantine • Xhuj • Xi Hydrae • Xol

Alpha and Beta Quadrant stars and star systems (M)
M-370 • M24 Alpha • Maat • Macedon • Mada • Maddux • Madras • Magefferus • Makon • Makrecha • Maltharin • Maluria • Malvestia • Mandylion • Manitoba system • MAO • Maq • Marcan • Mardelva system • Mariphasa • Marram • Marrat • Marris • Mavok • Maynard • Mazda • Mazur • McCarthy system • Meezan • Meir system • Meldrar • Melona • Mengen • Menith • Mercaniad • Merope • Mesarthim • Meta system • Metaga • Mewudoh • Midnight • Midos • Minara • Mira Maj • Mirazh • Miridian system • Miros • Moetar • Molinus • Mondoloy • Mongo • Mora • Mrang • Mu Herculis • Mudor • Muldor • Munjeb • Murobis
Alpha Quadrant stars and systems (M)	Maaz • Makus • Maluria • Mariah • Maxia Zeta • Megara system • Megrez • Melik • Menkalinan • Menzies 216 • Merak • Mirach • Mirish • Mizar • Monac • Mu Andromedae • Mu Ceti • Mu Draconis
Beta Quadrant stars and systems (M)	M'Char • M43 Alpha • M67 Alpha • Maht-H'a • Makar • Maluria • Mandylor • Maranga • M'Char • Mebsuta • Medusa system • Mempa • Menk system • Menkent • Metron system • Miaplacidus • Minkar • Mira Antliae • Morska system • Moselina • Mu Arae • Mu Horologii • Mu Leonis A • Mu Velorum • Mu Virginis • Mutara

Alpha and Beta Quadrant stars and star systems (R)
Rachelis • Raddan • Rahwe • Rai • Rainsford • Rajatha • Rakon • Ramedes • Rasalgethi • Rastan • Ravanar • Raville • Refniai • Rejarris • Rell's Theta system • Relva • Rho Drunir • Rho Ophiuchi • Ribeldalia • Ribol • Ridix • Rigelken • Rivala • Rodden • Rogg • Romulus B • Rona Tan • Ross 154 • Ross 271 • Rousseau • Rovan • Rover • Ruchba • Ruli • RY Antliae
Alpha Quadrant stars and systems (R)	Rakal system • Raknal • Rasalhague • Redansk • Regulon • Rho Capricorni • Rhota'Nev • Rissa • Rog • Rondac • Rotanev • Rudellia • Rymus
Beta Quadrant stars and systems (R)	Ramatis • Rana • Rator • Regulus • Regulus A • Respler • Reytan • Rho Tucanae • Rigel systems: (Beta Orionis: Rigel A, Rigel BC • Beta Rigel) • Rigil Kentaurus • Romii system • Romulus B • Romulus system • Rotarran • Roulean

Alpha and Beta Quadrant stars and star systems (0-9)
5 Arietis • 6 Arietis • 6-15 • 6-23 • 7 Ursae Minoris • 12 Lyncis • 13 Arietis • 19 Tauri • 22 Hydrae • 22 Ophiuchi • 25 Tauri • 37 Cassiopeiae • 43 Aquarii • 47 Draconis • 56 Arietis • 57 Arietis • 61 Ursae Majoris • 74 Tauri • 77 Ursae Majoris • 78.56/3.54/23.44 • 83 Beta • 114 Delta • 114 Trianguli • 128 Trianguli • 334 Scorpii • 415 Arietis • 780 Arietis • 4725 Cancri • System 330 • System 7348
Alpha Quadrant stars and systems (0-9)	1 Herculis • 2 Ophiuchi • 3 Coronae Borealis • 4 Aurigae • 5 Coronae Borealis • 6 Delphini • 7 Aurigae • 7 Delphini • 8 Aurigae • 8 Canum Venaticorum • 10 Canum Venaticorum • 10 Lyrae • 11 Lacerti • 12 Canum Venaticorum • 12 Draconis • 13 Aurigae • 13 Draconis • 14 Draconis • 14 Lyrae • 15 Lyncis • 15 Sagittae • 15 Virginis • 16 Ceti • 16 Cygni • 17 Andromedae • 17 Aquilae • 17 Piscis Austrini • 20 Draconis • 21 Andromedae (21 Andromedae A • 21 Andromedae B) • 21 Boötis • 23 Draconis • 24 Cassiopeiae • 26 Pegasi • 27 Herculis • 30 Boötis • 31 Aquilae • 33 Aurigae • 33 Draconis • 34 Aquarii • 34 Aurigae • 35 Ophiuchi • 37 Cygni • 37 Serpentis • 38 Sagittarii • 40 Capricorni • 42 Boötis • 43 Andromedae • 44 Persei • 46 Andromedae • 50 Cygni • 50 Serpentis • 51 Pegasi • 53 Aquarii • 53 Aquilae • 56 Aurigae • 57 Andromedae • 57 Serpentis • 59 Aquarii • 61 Cygni • 61 Draconis • 63 Draconis • 65 Herculis • 70 Ophiuchi • 92 Herculis • 94 Aquarii • 99 Herculis • 112 Tauri • 218 Persei • 329 Aurigae • 492 Lyncis • 1440 Ophiuchi (1440 Ophiuchi B) • 1616 Ophiuchi • 1865 Serpens • 4408 Trianguli
Beta Quadrant stars and systems (0-9)	1 Centauri • 1 Orionis • 2 Corvi • 3 Canis Minoris • 3 Eridani • 5 Virginis • 8 Monocerotis • 10 Canis Minoris • 11 Hydrae • 13 Crateris • 13 Eridani • 13 Leporis • 14 Cancri • 14 Eridani • 14 Leonis • 15 Leporis • 16 Cancri • 17 Circini • 17 Pavonis • 18 Eridani • 20 Librae • 23 Eridani • 24 Geminorum • 24 Leonis • 24 Orionis • 25 Canis Majoris • 26 Monocerotis • 26–27 Crucis • 27 Geminorum • 32 Pictoris • 34 Eridani • 34 Fornacis • 36 Leonis • 38 Eridani • 38 Lyncis • 40 Eridani (40 Eridani A • 40 Eridani B • 40 Eridani C) • 43 Pavonis • 46 Orionis • 54 Geminorum • 54 Orionis • 59 Eridani • 65 Cancri • 65 Fornacis • 66 Geminorum • 67 Eridani • 67 Virginis • 70 Leonis • 70 Ophiucus • 74 Orionis • 75 Geminorum • 78 Geminorum • 78 Pavonis • 82 Eridani • 83 Leonis (83 Leonis A • 83 Leonis B) • 87 Tauri • 88 Eridani • 88 Pavonis • 89 Carinae • 94 Leonis • 111 Pavonis • 113 Pavonis • 127 Scorpii • 128 Pavonis • 128 Trianguli • 198 Eridani • 1020 Octantis • 1212 Muscae • 4403 Pavonis

Background[]

Although the Star Trek reference work lists this as a binary, current astronomy has charted it as a solitary star.

References[]

ST reference: The Worlds of the Federation
ST reference: Star Charts

External link[]

Xi Hydrae article at Wikipedia, the free encyclopedia.

Memory Beta, non-canon Star Trek Wiki