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- Common_envelope abstract "In astronomy, a common envelope (CE) is gas that contains a binary star system. The gas does not rotate at the same rate as the embedded binary system. A system with such a configuration is said to be in a common envelope phase or undergoing common envelope evolution.During a common envelope phase the embedded binary system is subject to drag forces from the envelope which cause the separation of the two stars to decrease. The phase ends either when the envelope is ejected to leave the binary system with much smaller orbital separation, or when the two stars become sufficiently close to merge and form a single star. A common envelope phase is short-lived.Evolution through a common envelope phase with ejection of the envelope can lead to the formation of a binary system composed of a compact object with a close companion. Cataclysmic variables, X-ray binaries and systems of close double white dwarfs or neutron stars are examples of systems of this type which can be explained as having undergone common envelope evolution. In all these examples there is a compact remnant (a white dwarf, neutron star or black hole) which must have been the core of a star which was much larger than the current orbital separation. If these systems have undergone common envelope evolution then their present close separation is explained. Short-period systems containing compact objects are sources of gravitational waves and Type Ia supernovae.Predictions of the outcome of common envelope evolution are uncertain.A common envelope is sometimes confused with a contact binary. In a common envelope binary system the envelope does not generally rotate at the same rate as the embedded binary system; thus it is not constrained by the equipotential surface passing through the L2 Lagrangian point. In a contact binary system the shared envelope rotates with the binary system and fills an equipotential surface.".
- Common_envelope thumbnail Common_envelope.svg?width=300.
- Common_envelope wikiPageID "22387642".
- Common_envelope wikiPageLength "9481".
- Common_envelope wikiPageOutDegree "30".
- Common_envelope wikiPageRevisionID "696403849".
- Common_envelope wikiPageWikiLink Astronomy.
- Common_envelope wikiPageWikiLink Binary_star.
- Common_envelope wikiPageWikiLink Binary_system.
- Common_envelope wikiPageWikiLink Cataclysmic_variable_star.
- Common_envelope wikiPageWikiLink Category:Binary_stars.
- Common_envelope wikiPageWikiLink Category:Common_envelope_binary_stars.
- Common_envelope wikiPageWikiLink Category:Stellar_astronomy.
- Common_envelope wikiPageWikiLink Compact_star.
- Common_envelope wikiPageWikiLink Contact_binary.
- Common_envelope wikiPageWikiLink Gravitational_wave.
- Common_envelope wikiPageWikiLink Intermediate-luminosity_red_transient.
- Common_envelope wikiPageWikiLink Lagrangian_point.
- Common_envelope wikiPageWikiLink Luminous_red_nova.
- Common_envelope wikiPageWikiLink M31_RV.
- Common_envelope wikiPageWikiLink M85_OT2006-1.
- Common_envelope wikiPageWikiLink Neutron_star.
- Common_envelope wikiPageWikiLink Novae.
- Common_envelope wikiPageWikiLink Plasma_recombination.
- Common_envelope wikiPageWikiLink Red_supergiant.
- Common_envelope wikiPageWikiLink Roche_lobe.
- Common_envelope wikiPageWikiLink Supernova.
- Common_envelope wikiPageWikiLink Type_II_supernova.
- Common_envelope wikiPageWikiLink Type_Ia_supernova.
- Common_envelope wikiPageWikiLink V1309_Sco.
- Common_envelope wikiPageWikiLink V838_Monocerotis.
- Common_envelope wikiPageWikiLink White_dwarf.
- Common_envelope wikiPageWikiLink X-ray_binary.
- Common_envelope wikiPageWikiLink File:Common_envelope.svg.
- Common_envelope wikiPageWikiLinkText "Common Envelope".
- Common_envelope wikiPageWikiLinkText "Common envelope".
- Common_envelope wikiPageWikiLinkText "common envelope".
- Common_envelope wikiPageWikiLinkText "common-envelope binary".
- Common_envelope wikiPageWikiLinkText "common-envelope".
- Common_envelope wikiPageWikiLinkText "post-common-envelope binary".
- Common_envelope wikiPageUsesTemplate Template:Reflist.
- Common_envelope subject Category:Binary_stars.
- Common_envelope subject Category:Common_envelope_binary_stars.
- Common_envelope subject Category:Stellar_astronomy.
- Common_envelope hypernym Gas.
- Common_envelope type ChemicalCompound.
- Common_envelope type Sub-discipline.
- Common_envelope type Concept.
- Common_envelope comment "In astronomy, a common envelope (CE) is gas that contains a binary star system. The gas does not rotate at the same rate as the embedded binary system. A system with such a configuration is said to be in a common envelope phase or undergoing common envelope evolution.During a common envelope phase the embedded binary system is subject to drag forces from the envelope which cause the separation of the two stars to decrease.".
- Common_envelope label "Common envelope".
- Common_envelope sameAs Q1099036.
- Common_envelope sameAs Common_Envelope.
- Common_envelope sameAs Binaire_à_enveloppe_commune.
- Common_envelope sameAs 共通外層.
- Common_envelope sameAs Envelope_comum.
- Common_envelope sameAs m.0199bj.
- Common_envelope sameAs m.05t09gc.
- Common_envelope sameAs Q1099036.
- Common_envelope sameAs 共有包層.
- Common_envelope wasDerivedFrom Common_envelope?oldid=696403849.
- Common_envelope depiction Common_envelope.svg.
- Common_envelope isPrimaryTopicOf Common_envelope.
