EntityQ2582065· pop 8· linked from 189 articlesGJ 3634Sign in to savestarConnectionslist of stars in HydraEntitystar catalogueEntityyearEntitylight-yearEntityDoppler effectEntityGoddard Space Flight CenterEntityDoppler spectroscopyEntitysemi-axisEntitystarEntitydayEntityNeptuneEntitygalaxyEntityNASAConceptmassEntityconstellationEntityastronomical unitEntitynebulaEntityradiusEntityexoplanetEntitydigital object identifierEntityCategoriesGliese and GJ objectsHydra (constellation)M-type main-sequence starsPlanetary systems with one confirmed planetPopulation I stars