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- Eta_Apodis abstract "Eta Apodis (η Aps, η Apodis) is a star in the southern circumpolar constellation Apus. Based upon parallax measurements from the Hipparcos mission, it is approximately 138 light-years (42 parsecs) from Earth. With an apparent visual magnitude of +4.9, it can be viewed with the naked eye from the southern hemisphere.This star has about 1.77 times the mass of the Sun and 2.13 times the Sun's radius. It is radiating 15.5 times the luminosity of the Sun from its outer atmosphere at an effective temperature of 7,860 K. Eta Apodis is a young star with an age of about 250 million years.The stellar classification of Eta Apodis shows this to be an Am star, which means the spectrum shows chemically peculiarities. In particular, it is an A2-type star showing an excess of the elements chromium and europium. The spectrum displays magnetically-induced features indicating an estimated surface field strength of roughly 360 G. Based upon observations with the Spitzer Space Telescope, this system is emitting an excess of 24 μm infrared radiation. This may be caused by a debris disk of dust orbiting at a distance of more than 31 astronomical units from the star.".
- Eta_Apodis thumbnail Apus_IAU.svg?width=300.
- Eta_Apodis wikiPageID "2797429".
- Eta_Apodis wikiPageRevisionID "591232783".
- Eta_Apodis appmagV "+4.89".
- Eta_Apodis bV "+0.25".
- Eta_Apodis class "A2MA7-F2 or A2 CrEu".
- Eta_Apodis constell Apus.
- Eta_Apodis epoch "J2000".
- Eta_Apodis hasPhotoCollection Eta_Apodis.
- Eta_Apodis luminosity "15.5".
- Eta_Apodis mass "1.77".
- Eta_Apodis pError "0.18".
- Eta_Apodis parallax "23.62".
- Eta_Apodis propMoDec "−64.51".
- Eta_Apodis propMoRa "−19.47".
- Eta_Apodis radialV "−9.4".
- Eta_Apodis radius "2.13".
- Eta_Apodis uB "+0.11".
- Eta_Apodis subject Category:A-type_stars.
- Eta_Apodis subject Category:Apus_(constellation).
- Eta_Apodis subject Category:Bayer_objects.
- Eta_Apodis subject Category:Henry_Draper_Catalogue_objects.
- Eta_Apodis type A-typeStars.
- Eta_Apodis type BayerObjects.
- Eta_Apodis type CelestialBody109239740.
- Eta_Apodis type HenryDraperCatalogueObjects.
- Eta_Apodis type NaturalObject100019128.
- Eta_Apodis type Object100002684.
- Eta_Apodis type PhysicalEntity100001930.
- Eta_Apodis type Star109444100.
- Eta_Apodis type Whole100003553.
- Eta_Apodis type CelestialBody.
- Eta_Apodis type Star.
- Eta_Apodis type PhysicalBody.
- Eta_Apodis comment "Eta Apodis (η Aps, η Apodis) is a star in the southern circumpolar constellation Apus. Based upon parallax measurements from the Hipparcos mission, it is approximately 138 light-years (42 parsecs) from Earth. With an apparent visual magnitude of +4.9, it can be viewed with the naked eye from the southern hemisphere.This star has about 1.77 times the mass of the Sun and 2.13 times the Sun's radius.".
- Eta_Apodis label "Eta Apodis".
- Eta_Apodis label "Eta Apodis".
- Eta_Apodis label "異雀七".
- Eta_Apodis sameAs 극락조자리_에타.
- Eta_Apodis sameAs Eta_Apodis.
- Eta_Apodis sameAs m.083998.
- Eta_Apodis sameAs Q3233219.
- Eta_Apodis sameAs Q3233219.
- Eta_Apodis sameAs Eta_Apodis.
- Eta_Apodis wasDerivedFrom Eta_Apodis?oldid=591232783.
- Eta_Apodis depiction Apus_IAU.svg.
- Eta_Apodis isPrimaryTopicOf Eta_Apodis.
- Eta_Apodis name "Eta Apodis".