Binary and Multiple Stars, Part 3
44 entries in the Binary and Multiple Stars, Part 3 compendium.
Alpha DelphiniMultiple star system with the historical name Sualocin.Alpha MensaeThe dimmest lucida in the sky, a G-type star with a red dwarf companion.Alpha OphiuchiBinary star and brightest in Ophiuchus, rapidly rotating and oblate.Alpha ReticuliBrightest star in Reticulum, possibly a binary with a 60,000-year orbit.AntaresRed supergiant binary star, heart of Scorpius.Apep (star system)Triple star system and top gamma-ray burst progenitor in the Milky Way.AR ScorpiiFirst white dwarf-pulsar binary discovered.ASASSN-V J173229.06−613712.5Young contact binary in Mamajek 4 tidal tail.Atlas (star)Binary star in the Pleiades, named after the Titan Atlas.BD+05 4868Binary star with a disintegrating rocky planet creating a comet-like tail.BD+29 5007K5V star with a disputed Argus association companion.BD−07 436Binary star with a hot Jupiter and conflicting stellar ages.Beta CancriBrightest star in Cancer, an orange giant with a barium-rich spectrum.Beta Coronae BorealisBinary star with disputed orbit and a rapidly oscillating Ap component.Beta DelphiniBrightest star in Delphinus, a binary with a 26.66-year orbit.Beta DraconisBinary star system and third-brightest star in Draco.Beta HerculisBinary star and brightest star in Hercules.Beta Leonis MinorisBinary star in Leo Minor, second brightest in its constellation.AltairAltair is a rapidly rotating, oblate A-type star in Aquila.Beta MonocerotisTriple Be star system discovered by William Herschel in 1781.Iota HerculisA binary star and former pole star in Hercules.Psi CassiopeiaeAn orange-hued evolved giant binary in Cassiopeia.4 CamelopardalisA probable multiple star in Camelopardalis with an Am primary.Beta LeporisSecond brightest star in Lepus, a G-type bright giant.Gamma AndromedaeA quadruple star system with a golden-blue visual contrast.W SagittariiA Cepheid variable and multiple star in Sagittarius.Zeta AndromedaeA binary star system with resolved starspots and magnetic field studies.Xi ScorpiiQuintuple star system in Scorpius with two close groups.6 CassiopeiaeWhite hypergiant with disputed classification and a close O-class companion.Gamma CassiopeiaeFirst star observed with emission lines; prototype of Gamma Cassiopeiae variables.Epsilon ChamaeleontisTriple star system in Chamaeleon, member of Scorpius-Centaurus Association.Epsilon CygniThird-brightest star in Cygnus, a binary with a named primary.HD 895A multiple star system with two spectroscopic binary pairs.HD 4222White-hued A-type primary of binary BU 492 in Cassiopeia.HD 176664An orange giant approaching the Solar System at −60 km/s.Lambda OphiuchiQuadruple star system in Ophiuchus with hierarchical orbits.54 PisciumK-dwarf with a planet and a directly imaged brown dwarf.54 Piscium AOrange dwarf with a planet and a brown dwarf companion.54 Piscium AbA Saturn-mass exoplanet with a highly eccentric orbit.54 Piscium BFirst brown dwarf imaged around a star with a known planet.3 Piscis AustriniAstrometric binary red giant approaching the Solar System.6 AndromedaeA binary system with a dusty disk and a hidden secondary.12 HydraeA probable astrometric binary with a spectroscopic binary primary.16 LyraeSuspected astrometric binary with disputed subgiant status.
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