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Alpha Coronae Borealis (also known as 5 Coronae Borealis, Gemma and Alphecca) is a star system, a binary star consisting of a type F white star primary with a type G yellow star companion. It is visible in the constellation of Corona Borealis, and is located 75 light-years from Earth. Situated in the galaxy's Alpha Quadrant, this system is in or near the space of the Federation in the general vicinity of Rasalhague, Alshain and Upsilon Aquarii. (ST reference: Star Charts)

This system is the location of a number of planets, including fourth planet Alphecca IV, the homeworld of the Alpheccan civilization. For religious and cultural reasons, the Alpheccans rarely leave their system. (TNG novel: Intellivore)

Seventh planet Gemma VII is, in the late 24th century, a holding of the Romulan Star Empire, and a friendly port-of-call for starships of the Romulan Imperial Fleet. (ST video game: Starfleet Command III)

In SFC3 gameplay, this name was part of a list that were applied to planets on the game map, with random attributes assigned to them. Other Star Trek sources show Gemma as being independent and within Federation space, despite this seventh planet of Gemma's system apparently harboring Romulans.

System[]

  • Alpha Coronae Borealis trinary
    • Alphecca I
    • Alphecca II
    • Alphecca III
    • Alphecca IV
    • Alphecca V
    • Alphecca VI
    • Gemma VII

Appendices[]

Connections[]

Stars, systems and objects of the Corona Borealis constellation
Alpha Coronae Borealis (Gemma)Beta Coronae Borealis (Nusakan)Gamma Coronae BorealisEta Coronae BorealisKappa Coronae Borealis (Dopteria)Lambda Coronae BorealisRho Coronae Borealis (Ludugia) • Sigma Coronae BorealisTau Coronae Borealis (Hupyria)Zeta Coronae Borealis
Alpha and Beta Quadrant stars and star systems (A)
AaladAarakAarraAbakirAbalmaAbassaAbdadiAbelAberrizAbessiaAboiraAbraxasAbrenaAbroraAbroxAb'vekAbyss AlphaAccellusAchillonAcibenAdigeonAdonoloAdraAd'rethAdrian's BaneAd'vethAecupusAeonAerieAerimeaAesaAesirAesuriAetisanAexixAfebraAfervaAflorAfritalisAgbarAgiirratAgricoAhadiAhzdarAia'vadiAiligAinAinaroAindiaAin'TokAirolaAitiAjoraAkemoraAkersAkirenAlabasterAlactiAladfarAladsoAlakAlamedusAlannahAlarisAlastorAlatumAlcyoneAlderamAlderaminAldhanAlelaAlephAleraAlexisianAleydaAlfas DucatAlfin-BernardAlfirkAlforAlfrAlgeridaAlgeronAlilaAliothAlkaluropsAlkukAllendonAlmedoAlmeisanAlmekanAlnathAlnitakAlonsoAlorinaAlpha AldissAlpha ArietisAlpha AtaruAlpha BaratisAlpha CorandaAlpha DarwinAlpha DemetriusAlpha EmoriAlpha Epsilon TauriAlpha EquuleiAlpha FeronisAlpha HeliosAlpha HonorusAlpha HydrosAlpha ImvoriAlpha Is'tekAlpha KirikiAlpha KratoniiAlpha LeporisAlpha Min'rothAlpha MaluriaAlpha Marak 272Alpha NarniaAlpha NemvadiAlpha NexusAlpha NimorraAlpha OmicronAlpha OrionisAlpha OrtelinaAlpha ParnaculonAlpha PerseiAlpha QuarramAlpha SarpeidonAlpha ShiroAlpha SigmaAlpha TauAlpha Tel'rethAlpha TenoriAlpha ThetaAlpha TrimoraAlpha VarangisAlpha VegetisAlpha VergorisAlpha XaridianAlphaxAlsafiAltamidAltaneaAltanis IdrilonAltarAlthosAltorAludraAlulaAlvaradiAlvarkaAlyaAlycenAma DaraanAmalAmanaAmborisAmbrose's StarAmebisAmeldaAmi BeraAmmdonAmonAmpokAmpolisAmstarAmvadaAn DaraanAnaxaAnaxarAndraAndrade AbyssAndreaAndrekAndrocusAneldaAneziraAnkaaAnkiAngosiaAnnobonAnrakAnretaAntasAntedeAntiacusAntideAntigoneAntiliosAntipathyAntonehkAntos VeriaAntrosAnzibarAparchaAphir'kethApniraApriliaApyraAquila ScorpiAr DaraanArachnaeAradaArakAralanAraliAraraArb'saArbutusArcadiaArcan-BetaArcanis MajorisArchernarArchibaldArdajiArdanArdanaAretianArgentomeaArgezArgonaArhenniusAriaAriaxAriannaAridanesAridiaArkabArkenArktoArloffArmusArnabArnebArnebiusArnosAroriArovenArrakisArtaleirhArtemisArvadaAsaraAsearaAsellusAshgraveAshiraAsiti AlphaAsiti BetaAskalifex's SorrowAskalonAsmidiskeAsnethAsta DaraanAstamanteAstareaAsteropeAstra BelAstra BoraAstra EndaAstra FaraAstra ImraAstra InaAstra JelraAstra JoraAstra KaldaAstra KolAstra LeraAstra MelvaAstra MentaAstra NorAstra PevraAstra RendraAstra VeldraAstra VinAstra YaraAstra YeraAstridaAtabisAtaliaAtalisAtana DaraanAtarviAtlasAtriaAtriusAtropiraAtryn'aucdetAugustus GammaAumoide PoreAuvaAveryAvanAvekAv'telAX AraeAxelotAxtoxAyelaAyin AlephAylus AlphaAylus BetaAytaAyvrenAzati PrimeAzedisAzentraAzinda the galaxy's Alpha and Beta Quadrant icon image.
Alpha Quadrant stars and systems (A) AaamazzaraAbilakk AlphaAbilakk BetaAchirdActriumAdhilAdia AlphaAdia BetaAegis AquilaAjirAl NathAlam'ak system (Alam'ak) • AlbireoAlcorAldhibainAlferaz (Alferaz AAlferaz B) • AlgolAlkaidAlmachAlmathaAlpha Andromedae (Alpha Andromedae AAlpha Andromedae B) • Alpha AquariiAlpha AquilaeAlpha AurigaeAlpha BoötisAlpha Canum VenaticorumAlpha CamusAlpha Coronae BorealisAlpha CygniAlpha MajorisAlpha OphiuchiAlpha ProximaAlpha TrianguliAlpha Ursae MajorisAlpha ZariaAlpha-1 AndromedaeAlpha-2 AndromedaeAlpheccaAlpheratzAltairAmlethAnchaAndromedaAnkaroAnticaAntosAnzat AlphaAnzat BetaAokiiAquilaArawathArbazanArchariaArcturusArduriaArgayaArgusArtelineAscellaAtairAtikAureliaAvenal the galaxy's Alpha Quadrant icon image.
Beta Quadrant stars and systems (A) AcamarAchernarAcruxAcubensAdaraAdelphousAdhaferaAdharaAelasAgenaAgornuAgurthaAjilonAkaaliAl NairAlchibahAldebaranAlgorabAlhenaAlkesAlnilamAlpha-2 CentauriAlpha CancriAlpha Canis MinorisAlpha Canis Majoris (Alpha Canis Majoris AAlpha Canis Majoris B) • Alpha CarinaeAlpha Centauri (Alpha Centauri AAlpha Centauri BAlpha Centauri C) • Alpha ChamaeleonisAlpha CirciniAlpha Comae BerenicesAlpha CorviAlpha CrucisAlpha CygniAlpha EridaniAlpha GeminorumAlpha GruisAlpha HydriAlpha LeonisAlpha MensaAlpha MonocerotisAlpha OniasAlpha PictorisAlpha PrimeAlpha ScorpiiAlpha VirginisAlpha VolantisAlpha ZetaAlphardAlshemaliAlterfAlungisAmarAmargosaAmiriiAndoriaAngelAntaresArchanisArcherArgeliusArgelius BAridedAviorAxanarAzhaAzraga the galaxy's Beta Quadrant icon image.
Alpha and Beta Quadrant stars and star systems (G)
GaboraGaelonGakoraGalagosGalarGalinaGalishGaliulGallonikGallosGalonGaloxGalraGalronGalvethGalwayGammaGamma 400Gamma 7AGamma AlphaGamma AmarGamma ArgusGamma ArietisGamma CaiusGamma ChrysalisGamma DeltaGamma DemetriusGamma EmerataGamma HromiGamma KestraGamma LlongoGamma MeridienGamma OmicronGamma TarsesGamma TobinGamma TrianguliGamma TrilesiasGamma TrixisGamma VertisGamma XaridianGamma YsalisGanarraGanielGanidraGaniezGan'thorGarisGarkaGarlathGaroxGarrGarriatGarthGasioxGasparGastellaGataraGat'tekGaviraGaziorGealanGed'taraGekiaxGeldorGelokGeloraGelrakGemaraGemetGemimGemonGemsaGeniaGenovese's StarGentariatGeraGerapaGeredexGeresGeriesGesiumGesokGeziulGezonGhandiGharGhombaGhondrGhulionGidanaGilaGinarGin'srakGirenonGirielGivaGixiakGizronGlarinGliraGobiGoldexGolgothaGoliardhGolmorGolumbin 699GombaraGominGonGonalGontaGorakGordarGorgon's DemiseGorlaGorsachGossekGottexGowokGoz'pekGradientesGrafGranicusGratorvaGreat IchorGreat MawGregonGrekoraGrem'patGrenfilGreshik TyrrGrevidanGribbinGrisellanGriswald 3489Grom'torGroombridge 273Gro'pekGru DaraanGrumirGruyakinGuanonGuldammurGunarpGuraGus'Tavi Alpha and Beta Quadrant icon image.
Alpha Quadrant stars and systems (G) GaladorGallinaGamma Andromedae (Gamma Andromedae AGamma Andromedae BGamma Andromedae C) • Gamma AquariiGamma AquilaeGamma AurigaeGamma BoötisGamma CapricorniGamma Coronae BorealisGamma CygniGamma DraconisGamma LyraiGamma OphiuchiGamma PerseiGeilodGemmaGemulonGentaraGoralisGotannaGreat PulsarGrevvenGriffondarGrovranGulvaria Alpha Quadrant icon image.
Beta Quadrant stars and systems (G) GacruxGainsGalorndon CoreGaldonterreGamma CraterisGamma CrucisGamma EridaniGamma EridonGamma GeminorumGamma HydraGamma LeporisGamma MensaeGamma OrionisGamma PavonisGamma ScorpiiGamma TucanaeGamma XertiaGamma Zeta 4GanaldaGaradiusGaragGaskoGateway GideonGliese 526GlintaraGomeisaGoranGorathGornGornarGotaraGr'othGrun Beta Quadrant icon image.
Alpha and Beta Quadrant stars and star systems (0-9)
00 Raskae Majoris5 Arietis6 Arietis6-156-237 Ursae Minoris12 Lyncis13 Arietis19 Tauri22 Hydrae22 Ophiuchi25 Tauri34 Kraol37 Cassiopeiae43 Aquarii43 Geminorum47 Draconis55 Terae Majoris56 Arietis57 Arietis61 Ursae Majoris66 Imora74 Tauri77 Ursae Majoris78.56/3.54/23.4483 Beta89 Mell Majoris90 Milenae Majoris99 Pegasi114 Delta114 Trianguli128 Trianguli334 Scorpii415 Arietis780 Arietis4725 CancriSystem 330System 7348 the galaxy's Alpha and Beta Quadrant icon image.
Alpha Quadrant stars and systems (0-9) 1 Herculis2 Ophiuchi3 Coronae Borealis4 Aurigae5 Coronae Borealis6 Delphini7 Aurigae7 Delphini8 Aurigae8 Canum Venaticorum10 Canum Venaticorum10 Lyrae11 Lacerti12 Canum Venaticorum12 Draconis13 Aurigae13 Draconis14 Draconis14 Lyrae15 Lyncis15 Sagittae15 Virginis16 Boötis16 Ceti16 Cygni17 Andromedae17 Aquilae17 Piscis Austrini18 Cygni20 Draconis20 Lyrae21 Andromedae (21 Andromedae A21 Andromedae B) • 21 Boötis23 Draconis23 Serpentis24 Cassiopeiae26 Pegasi27 Boötis27 Herculis27 Ophiuchi30 Boötis31 Aquilae33 Aurigae33 Draconis34 Aquarii34 Aurigae35 Ophiuchi37 Cygni37 Serpentis38 Sagittarii40 Capricorni42 Boötis43 Andromedae44 Persei46 Andromedae50 Aquilae50 Cygni50 Serpentis51 Pegasi53 Aquarii53 Aquilae56 Aurigae57 Andromedae57 Serpentis59 Aquarii61 Cygni61 Draconis63 Draconis65 Herculis70 Ophiuchi86 Ceti92 Herculis94 Aquarii99 Herculis112 Tauri218 Persei329 Aurigae492 Lyncis1440 Ophiuchi (1440 Ophiuchi B) • 1616 Ophiuchi1865 Serpens4408 Trianguli the galaxy's Alpha Quadrant icon image.
Beta Quadrant stars and systems (0-9) 1 Centauri1 Corvi1 Orionis2 Corvi3 Canis Minoris3 Eridani4 Leonis5 Virginis7 Crateris8 Monocerotis10 Canis Minoris11 Hydrae13 Crateris13 Eridani13 Leporis14 Cancri14 Eridani14 Leonis15 Leporis16 Cancri17 Circini17 Pavonis18 Eridani19 Canis Majoris20 Librae23 Eridani24 Geminorum24 Leonis24 Orionis25 Canis Majoris26 Monocerotis26–27 Crucis27 Geminorum30 Hydrae31 Canaris / 31 Canis Majoris32 Pictoris34 Crucis34 Eridani34 Fornacis36 Leonis38 Eridani38 Lyncis40 Eridani (40 Eridani A40 Eridani B40 Eridani C) • 43 Pavonis46 Orionis54 Geminorum54 Orionis59 Eridani65 Cancri65 Fornacis66 Geminorum67 Eridani67 Virginis70 Leonis70 Ophiucus74 Orionis75 Geminorum78 Geminorum78 Pavonis82 Eridani83 Leonis (83 Leonis A83 Leonis B) • 87 Tauri88 Eridani88 Pavonis89 Carinae94 Leonis111 Pavonis113 Pavonis127 Scorpii128 Pavonis128 Trianguli198 Eridani1020 Octantis1212 Muscae4403 Pavonis the galaxy's Beta Quadrant icon image.

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