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- V539_Arae abstract "V539 Arae (Bayer designation Nu1 Arae (ν1 Arae / ν1 Ara)) is a triple star system in the southern constellation of Ara. Based upon an annual parallax shift of 3.30 ± 0.47, this system is at a distance of roughly 1,000 light-years (310 parsecs) from Earth.The core members of this system, ν1 Ara AB, consist of a pair of B-type main sequence stars in a close orbit with a period of 3.169 days and an eccentricity of 0.06. Their respective stellar classifications are B2 V and B3 V, and they have a combined visual magnitude of 5.65. Because the orbital plane lies close to the line of sight from the Earth, this pair form a detached eclipsing binary of the Algol type. The eclipse of the primary causes a decrease of 0.52 in magnitude, while the secondary eclipse decreases the magnitude by 0.43. At an angular separation of 12.34 arcseconds, is the tertiary component of this system; a magnitude 9.40 A-type main sequence star with a classification of A1 V.The system is sometimes referred as Upsilon1 Arae (υ1 Arae), and more generally unlettered.".
- V539_Arae thumbnail Ara_IAU.svg?width=300.
- V539_Arae wikiPageExternalLink AladinPreview?-c=V*+V539+Ara&ident=V*+V539+Ara&submit=Aladin+previewer.
- V539_Arae wikiPageExternalLink VizieR-S?HR%206622.
- V539_Arae wikiPageID "2878761".
- V539_Arae wikiPageRevisionID "605183559".
- V539_Arae absmagV "–1.83/–1.11".
- V539_Arae appmagV "5.62".
- V539_Arae bV "–0.08".
- V539_Arae component "ν Ara A".
- V539_Arae component "ν Ara B".
- V539_Arae constell Ara_(constellation).
- V539_Arae epoch "J2000".
- V539_Arae luminosity "1963".
- V539_Arae luminosity "902".
- V539_Arae pError "0.47".
- V539_Arae parallax "3.3".
- V539_Arae propMoDec "–11.40".
- V539_Arae propMoRa "+3.18".
- V539_Arae radialV "-8".
- V539_Arae rotationalVelocity "100".
- V539_Arae rotationalVelocity "130".
- V539_Arae uB "–0.64".
- V539_Arae variable Algol_variable.
- V539_Arae subject Category:Algol_variables.
- V539_Arae subject Category:Ara_(constellation).
- V539_Arae subject Category:B-type_main-sequence_stars.
- V539_Arae subject Category:Bayer_objects.
- V539_Arae subject Category:HR_objects.
- V539_Arae subject Category:Henry_Draper_Catalogue_objects.
- V539_Arae subject Category:Hipparcos_objects.
- V539_Arae subject Category:Objects_named_with_variable_star_designations.
- V539_Arae subject Category:Spectroscopic_binaries.
- V539_Arae subject Category:Triple_star_systems.
- V539_Arae type CelestialBody.
- V539_Arae type Star.
- V539_Arae type PhysicalBody.
- V539_Arae comment "V539 Arae (Bayer designation Nu1 Arae (ν1 Arae / ν1 Ara)) is a triple star system in the southern constellation of Ara. Based upon an annual parallax shift of 3.30 ± 0.47, this system is at a distance of roughly 1,000 light-years (310 parsecs) from Earth.The core members of this system, ν1 Ara AB, consist of a pair of B-type main sequence stars in a close orbit with a period of 3.169 days and an eccentricity of 0.06.".
- V539_Arae label "Nu1 Arae".
- V539_Arae label "Nu1 Arae".
- V539_Arae label "V539 Arae".
- V539_Arae label "天壇座V539".
- V539_Arae sameAs Nu1_Arae.
- V539_Arae sameAs Nu1_Arae.
- V539_Arae sameAs m.088nwz.
- V539_Arae sameAs Q2607730.
- V539_Arae sameAs Q2607730.
- V539_Arae wasDerivedFrom V539_Arae?oldid=605183559.
- V539_Arae depiction Ara_IAU.svg.
- V539_Arae isPrimaryTopicOf V539_Arae.
- V539_Arae name "V539 Arae".