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 • Magistor • 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 • Minox • 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 • Regal • 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