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For other uses, see Hadar.

Agena (also known as Beta Centauri or Hadar) is a multiple star system, located about 160 parsecs (530 light-years) from Earth, where it is visible as the second brightest system in the constellation of Centaurus in the galaxy's Beta Quadrant. (TOS comic: "The Expansionist Syndrome")

History and specifics[]

Agena was the location of a planetary system in orbit, including fourth planet Hadar IV. (ST video game: Starfleet Command III, TOS comic: "The Expansionist Syndrome")

The Federation starship USS Agena was named for this system when it was authorized for construction. (ST reference: Star Fleet Technical Manual)

Since this is a "real" star system, we know details about its location and makeup not revealed in its Star Trek mentions, where it was only mentioned by name.

By the 2370s decade, Hadar was a holding of the the Klingon Empire, and Hadar IV was considered a friendly port of call by 24th century Klingon Defense Force starships. (ST video game: Starfleet Command III)

In gameplay, the planet name was part of a list that were applied to planets on the game map, with no history or specifics established for the random attributes assigned to them.

System makeup[]

Agena system primary stars

Appendices[]

Connections[]

Stars, systems and objects of the Centaurus constellation
1 CentauriAlpha Centauri (Rigil KentaurusQuindarProxima) • Beta CentauriTau CentauriTheta CentauriZeta Centauri the galaxy's Beta Quadrant icon image.
Alpha Centauri sector
Alpha Centauri system Alpha Centauri A (primary)Alpha Centauri I • II. Behemoth (Alpha Centauri II-A) • Alpha Centauri III (1 moon) • IV. Centaurus (2 moons) • Alpha Centauri V (2 moons) • Alpha Centauri VI (8 moons) • VII. Al RijilAlpha Centauri VIIIAlpha Centauri IXAlpha Centauri XAlpha Centauri XIAlpha Centauri XIIAlpha Centauri XIII Centauran icon image. Centauran icon image. Federation icon image.
Alpha Centauri BOlson • II. New MontanaPerry • III. Lang • IV. Kent
Proxima CentauriProxima Centauri (Proxima Maintenance Yards) • Proxima Centauri I (Proxima Centauri I-A) • Proxima Centauri IIProxima AlphaProxima Beta
Klingon stars and star systems
14 Cancri14 Leonis15 Leporis15 Lyncis16 Cancri18 Eridani2 Corvi22 Hydrae24 Geminorum27 Geminorum26 Monocerotis3 Coronae Borealis38 Lyncis42 Boötis43 Andromedae48 Aquarii54 Geminorum57 Andromedae (Alam'ak, Behr'ak, Czar'ak) • 59 Eridani6 Delphini67 Eridani7 Aurigae75 Geminorum8 Aurigae8 MonocerotisAaladAberrizAgenaAgiirratAiligAlam'ak (Alam'ak, Behr'ak, Czar'ak) • AlhenaAlmachAlpha MonocerotisAltanis IdrilonAmarAquilaArchanisArktoArnosAxanarAxelotAzragaBaldukBaumeisterBehr'akBelenniiBeta AndromedaeBeta BoötisBeta CentauriBeta Coronae BorealisBeta DelphiniBeta EridaniBeta LankalBeta PentheBeta ThoridorB'MothBorethBortasBrestantBritanniaBurukCambraCernenCerzomChaj DaqChIyt'Iyqchotegh nglyevChu'DeghchunI'HuqCossinaCursaCzar'akDa'KelDaSqorDayosDellerenDelta CyannaDelta KhinahDelta LeporisDelta OrcusDepIpDevIyghDhum'QhaDhu'QuaDIpeyjDIyn'IDoHDoHInupDoltecDon'zaliDoralaDovIDDu'chigh DoghiqDurandalElkauronEpsilon AurigaeEpsilon CorviEpsilon EridaniEpsilon GeminorumEpsilon MonocerotisEta SerpentisFev'TokForcasFuh'RhudGaldonterreGamma Andromedae (Alam'ak, Behr'ak, Czar'ak) • Gamma AquariiGamma EridonGamma GeminorumGanaldaGanarraGareth NarGhap'opghocho tlhengGhombaGhoq'ayghoy'HIGhuyjGilaGorathGorth'narGrafGr'othHadarHaleeHamalzH'atoriaHegh'taHeQ'ovHernandez-EHeyp'uwlHeyQ'oyHoq'ey'ngHor-chaHrakkourIkaalIkaliaIota Geminorumjo'HoDInJungetlhJupawghKachtullaKa"hatKahlessKandruKannonKanthKanthuKaphKaplhaadKapor'AtKappa GeminorumKarhammurKarregheniKathraKavrot javmaH javKedgellanKhashahKhitomerKhotarakKinkuthanzaKintirK'KorranKlach D'Kel BrachtK'lai KlinzhaiKlamuthKlathindKlevasKlinzhai (K'lai Klinzhai) • KlorgatKlothosKohlKolothosKoranischatKorgochtKorinarKorregKorrokKorvadKorvusKranKrazKrellKriosKrychekK'TazzaK'thar (K'lai Klinzhai) • K't'ingaK'TinnamKumarKuraK'VortLaktarLambda GeminorumLandauLanderrabbLaurentianLazarraloghLokdarLoskiLothosLujanMaazMaht-H'aMakrechaMarangaMarcanMarciporMarramMazurM'CharMebsutaMempaMinkarmI'qIpeMirachMoHMorskaMoy'HoMrangMuldorMunjebNarendraNathvekraN'derialNegh'varNekkarNereitNgeygh'IngINimbusNItlh'oNo'MatnuHoDNusakanOgatOmega-2 CygniOmicron LeonisOnzaPaghPalgrenaxPayghpemo DoDPenchanPeyg'ovpeypHPhadPhaedusPhebenPhillo'tokPleth'raPlyranaPogh'oypoq'oqPoq'uchP'rangPsi CancriPung'ePuriazpuyDeteQaitosQayngoQepIngqetlh'aghQevuyQey'ghuQeyopoQitlh VaSQojupQo'noS (K'lai Klinzhai) • qovoQ'TahlQua'Khanqul Tuqqu'neDQu'orgQuQ HeymQurelletQu'VatQuwotlhqvaQRaiRaknalRhota'NevRibeldaliaRotanevRotarranRuchbaSadachbiaSadatoniSanurnaSelta AvastamShahkurShermanSifSigma GeminorumSigma KinnaSinnawa LotosSomrawSoq'oySoranT'AcogTaharakTal'Ihnor GatesTarazedTarfTariaxTau LacertaeT'DakkaTegmeniT'ghaTheta HydraeThoQ'jITikaTlhaqtlhonnaQtlhopeptlhoqInutlhuq'onToh'kahtTok'BhulTomantonetlhT'ongToredarTornaToronTozoxTraelusTy'GokorVenatorVeneradtVerianneVeyghVilliamVIy'HeVok-NagralVor'chaVornVor'nakVuriexwey'ItlhWey'vuqWIyQWoqutlhWozXolXuxiazYa'VangYeradY'temYullumyuywongZemicaZeta AurigaeZeta CancriZeta Pictoris Klingon icon image.
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 (B)
B HydriBabylusBaduraBaforBahrBaideusBaj'nethBakadaBakerBakoraBal DaraanBal Quonnot and PojjanPiraKotBaldaraBaldurBalidexBalkaBalkosBallionBal'tekBamirBandorBanraBan'trekBaradexBaradiBarakBaranBarasa AlphaBarasa BetaBaraza GammaBarboxBardeezaBardexBarklayBarnard 183Barnard 392Bar'taraBar'tmanaBarthaBartunuBarzanBatenBatoraBaumeisterBawBaxakBayaraBazronBaz'tekBeaufort VortexBejarusBechdelBekomBelariusBelaruzBelenaBelenniiBelgaraBellexBelmaraBenarBeneraBennusBentixBenziBerakBerasiBerkaidBernardBernayBerryBersallisBersusBestariBetaBeta 6Beta AgniBeta ArantialusBeta ArgothaBeta ArietisBeta AurelonBeta BaraniaBeta BilatusBeta BoraBeta BrenorBeta CabriniBeta CalaraBeta CanzandiaBeta CassiusBeta CepheiBeta ChimeraBeta CorvelaBeta DamoronBeta DeriBeta DraconisBeta EnerasBeta EpsilonBeta FeronisBeta FolorBeta ForminiaBeta GitorBeta GorgoniBeta HaxorBeta HerculaniBeta HeteraBeta HydraBeta Hydra 378Beta HydrosBeta IndiBeta InfiniteBeta IvelaBeta JalonisBeta JolaBeta KentorBeta KodaBeta KonaBeta KrakorBeta KupsicBeta LaerasBeta LeetorBeta LentaBeta Li'odoBeta LoraBeta MagellanBeta MaradaBeta MaradiBeta MariotiaBeta MeraBeta MeranaBeta MinoraBeta MyamidBeta NimaraBeta NiobeBeta NirobiBeta NorabBeta OrigiiBeta OrsilakBeta OrvisBeta PaugdiBeta PentheBeta PortolanBeta PrometheusBeta ProximaBeta QuaternasBeta ReticuliBeta RigalaBeta RigaliaBeta RoxorBeta RunaBeta SargonusBeta SerpentisBeta ScoraataBeta SoraBeta TarsusBeta TriaranBeta Ursae MinorBeta VeldonnaBeta VertisBeta VisaBeta VirgilisBeta XaridianBeta YelaBeta ZetaBeta ZloraBeta'ElanBetazedBethelBetonBetrisius MajorBexemBeyvenBezediBikesBik'vanBilaraBiliuzBimiokBimorBimumBindorBintarBinvekBin'vrakBio'rethBir DaraanBiraBiranBirenBirobBir'tethBiruinBiseraBisiulBisoxBitroxBixiemBletayilB'levBlisnarBlysBoacoBoamBoanaBoggasBokrasiBolari AlphaBolari BetaBolarusBoldasiBoliusBolonaBomelli 709BoquBorBorakaBoreaBorealBorgiaBorigrassBoristarBornarBoron 437BororaBoruBosliaBoteinBovekBoxiezBracasBradleyBral'varaBramonBrandaBraslotaBravanBredaraBre'elBrelgaBrenexBrenottBrentaBrentisBriamosBrijac AlphaBrijac BetaBringloidBrinus ZetaBris'nethBritanniaBriusBrividiBrodarBrol DaraanBronthropBroyanBrun'taraBrutusB'SaariBU1T-61 SingularityBuenoraBularaBulasiBurelaBurran AlphaBurran BetaBurtiraBus'varaBu'uli TevBWCC98Bygoth the galaxy's Alpha and Beta Quadrant icon image.
Alpha Quadrant stars and systems (B) BahamBajorBalancarBalosneeBarkonBarnard's StarBehr'akBeneciaBerengariaBeta 16 CetiBeta AndromedaeBeta AquilaeBeta AurigaeBeta BoötisBeta Canum VenaticorumBeta CetiBeta Comae BerenicesBeta Coronae BorealisBeta CygniBeta DelphiniBeta DraconisBeta HerculisBeta LyraeBeta Maxim 437Beta OphiuchiBeta PerseiBeta Piscis AustralisBeta RennerBeta TauriBeta TrianguliBeta Ursae MajorisB'hava'elB'liiBryma the galaxy's Alpha Quadrant icon image.
Beta Quadrant stars and systems (B) Ba'ajaBaldukBaroliaBarradasBeidBelakBellatrixBenzarBeta AntaresBeta Canis MinorisBeta CarinaeBeta CentauriBeta ColumbaeBeta EridaniBeta GeminorumBeta HydriBeta LankalBeta LeonisBeta Leonis MinorisBeta OctantisBeta OrionisBeta PavonisBeta Pavonis JK-838Beta PictorisBeta RigelBeta StromgrenBeta TheseusBeta ThoridorBeta VirginisBeta VolantisBetelgeuseBheaBlack StarB'MothBolarusBoragiBorethBortasBorkaBresharBrestantBuqretBuruk the galaxy's Beta Quadrant icon image.
Alpha and Beta Quadrant stars and star systems (H)
HabahHab'nethHadachiHadaraHadasHadenHadley 557HaduraHagmiHalatHaleeHalkorHallionHalseyHal'taraHamHamalHamalzHameusHamir TorHamuiHanabHandorHaneroHannHanoliHan'raHansuHara TorHariakHaribaHarlan VortexHarlequinHarodHarrakisHarrapaHarridane 226Ha'vanHavorHayashiHaylokHazionHaz'varaHeartland systemHeeyaHegh'taHeitiusHekiakHeldaHelios systemHeliulHelmorHelsinHemokHenaxHen'dothHeniez • • HeQ'ovHeredianHerelHerellaHeriasHermesHernandez-EHernorHertexHessenHestanaHesuzHetemitHeteraHev'daHeyp'uwIHexemHexesHeymaHeziorHeyQ'oyHiamanHidalaHidoraHiemdal/Hiemdal systemHikaraHikaxHikoroHilarHimaHimaliasHimianHira DaraanHira'taraHiratsHiresHirodexHithorHith'taraHixenHixorisHiznonHizolHobanHoj'taraHokaHoldinHoffmanHohweynHoliulHollyHomirHomtakHon'vethHontoxHooverHopeless MawHoq'ey'ngHoratiusHor-chaHorokHoshiraHovekHoz'taraHrakkourHrojost AlphaHrojost BetaHuebrHugh's EndHuraHuronHyanaHydexHydraHydra DacoHydrobaHyndmanHyneraHypatiaHyraHyrallisHytar and Nuofo Alpha and Beta Quadrant icon image.
Alpha Quadrant stars and systems (H) HagalHajjHaktonHeathercristHelvetiosHokule'aHupyriaHuranzi Alpha Quadrant icon image.
Beta Quadrant stars and systems (H) HaakonaHadarH'atoriaHellaro CorvaHobusHyberaHydra EpsilonHydra Geminorum Beta Quadrant icon image.

External link[]

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