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- EK_Trianguli_Australis abstract "EK Trianguli Australis is a star in the constellation Triangulum Australe. It is a dwarf nova of the SU Ursae Majoris type that officially classified as such in 1980, after the characteristic eruptions of a short eruption and a supereruption were observed in May 1978 and June 1979 respectively. These systems are characterised by frequent eruptions and less frequent supereruptions. The former are smooth, while the latter exhibit short "superhumps" of heightened activity. The distance of the system has been assumed at 180 parsecs (586 light years) from our solar system, for the donor star (assumed to be a red dwarf that is nondetectable at that range). Spectroscopic analysis and calculation gave an estimate of 125 parsecs (407.5 light years).The system consists of a white dwarf and a donor star which orbit around a common centre of gravity every 1.5 hours. The white dwarf sucks matter from the other star onto an accretion disc and periodically erupts, reaching apparent magnitude 11.2 in superoutbursts, 12.1 in normal outbursts and remaining at magnitude 16.7 when quiet. The "superhumps" see the star increase by 0.24 magnitude for 1.55 hours during these superoutbursts.Spectroscopic observations of the white dwarf with the Hubble Space Telescope and Space Telescope Imaging Spectrograph reveal it to be spinning at a speed of 200 km/s, with a surface temperature of 18800 K and is estimated to have 0.6 the mass of our sun. Up to 75% of the brightness of the object comes from the accretion disc, which is heated to a temperature of 6500 K.".
- EK_Trianguli_Australis wikiPageID "37427231".
- EK_Trianguli_Australis wikiPageLength "5054".
- EK_Trianguli_Australis wikiPageOutDegree "13".
- EK_Trianguli_Australis wikiPageRevisionID "620472238".
- EK_Trianguli_Australis wikiPageWikiLink Accretion_disc.
- EK_Trianguli_Australis wikiPageWikiLink Apparent_magnitude.
- EK_Trianguli_Australis wikiPageWikiLink Category:Dwarf_novae.
- EK_Trianguli_Australis wikiPageWikiLink Category:Triangulum_Australe.
- EK_Trianguli_Australis wikiPageWikiLink Constellation.
- EK_Trianguli_Australis wikiPageWikiLink Donor_star.
- EK_Trianguli_Australis wikiPageWikiLink Dwarf_nova.
- EK_Trianguli_Australis wikiPageWikiLink Epoch_(astronomy).
- EK_Trianguli_Australis wikiPageWikiLink J2000.0.
- EK_Trianguli_Australis wikiPageWikiLink Red_dwarf.
- EK_Trianguli_Australis wikiPageWikiLink Roche_lobe.
- EK_Trianguli_Australis wikiPageWikiLink Star.
- EK_Trianguli_Australis wikiPageWikiLink Triangulum_Australe.
- EK_Trianguli_Australis wikiPageWikiLink White_dwarf.
- EK_Trianguli_Australis wikiPageWikiLinkText "EK TrA".
- EK_Trianguli_Australis wikiPageWikiLinkText "EK Trianguli Australis".
- EK_Trianguli_Australis appmagV "+12-17".
- EK_Trianguli_Australis constell Triangulum_Australe.
- EK_Trianguli_Australis dec "335.0".
- EK_Trianguli_Australis distLy ">586".
- EK_Trianguli_Australis distPc ">180".
- EK_Trianguli_Australis epoch Epoch_(astronomy).
- EK_Trianguli_Australis epoch J2000.0.
- EK_Trianguli_Australis hasPhotoCollection EK_Trianguli_Australis.
- EK_Trianguli_Australis name "EK Trianguli Australis".
- EK_Trianguli_Australis ra "54840.9".
- EK_Trianguli_Australis wikiPageUsesTemplate Template:Reflist.
- EK_Trianguli_Australis wikiPageUsesTemplate Template:Starbox_short.
- EK_Trianguli_Australis wikiPageUsesTemplate Template:Stars_of_Triangulum_Australe.
- EK_Trianguli_Australis subject Category:Dwarf_novae.
- EK_Trianguli_Australis subject Category:Triangulum_Australe.
- EK_Trianguli_Australis hypernym Star.
- EK_Trianguli_Australis type Event.
- EK_Trianguli_Australis type Star.
- EK_Trianguli_Australis type Event.
- EK_Trianguli_Australis comment "EK Trianguli Australis is a star in the constellation Triangulum Australe. It is a dwarf nova of the SU Ursae Majoris type that officially classified as such in 1980, after the characteristic eruptions of a short eruption and a supereruption were observed in May 1978 and June 1979 respectively. These systems are characterised by frequent eruptions and less frequent supereruptions. The former are smooth, while the latter exhibit short "superhumps" of heightened activity.".
- EK_Trianguli_Australis label "EK Trianguli Australis".
- EK_Trianguli_Australis sameAs EK_Trianguli_Australis.
- EK_Trianguli_Australis sameAs m.0nb8y2n.
- EK_Trianguli_Australis sameAs Q5178389.
- EK_Trianguli_Australis sameAs Q5178389.
- EK_Trianguli_Australis wasDerivedFrom EK_Trianguli_Australis?oldid=620472238.
- EK_Trianguli_Australis isPrimaryTopicOf EK_Trianguli_Australis.