Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/RR_Caeli> ?p ?o }
- RR_Caeli abstract "RR Caeli is a double star in the constellation Caelum. It is approximately 66 light years from Earth. It was first noted to be a high-proper motion star in 1955 by Jacob Luyten, and given the name LFT 349. Discovered to be an eclipsing binary in 1979, it has a baseline magnitude of 14.36, dimming markedly every 7.2 hours for an interval of around 10 minutes, due to the total eclipse of the brighter star by the fainter one. Its variability in brightness led to its being given the variable star designation RR Caeli in 1984. This star system consists of a red dwarf of spectral type M6 and a white dwarf that orbit each other every seven hours; the former is 18% as massive as the Sun, while the latter has 44% of the Sun's mass. The red dwarf is tidally locked with the white dwarf, meaning it displays the same side to the heavier star. The system is also a post-common-envelope binary, and the red dwarf star is transferring material onto the white dwarf. In approximately 9–20 billion years, RR Caeli will likely become a cataclysmic variable star due to the period's gradual shortening, leading to increasing rates of transfer of hydrogen to the surface of the white dwarf.".
- RR_Caeli wikiPageID "41973969".
- RR_Caeli wikiPageLength "6907".
- RR_Caeli wikiPageOutDegree "27".
- RR_Caeli wikiPageRevisionID "679465823".
- RR_Caeli wikiPageWikiLink Binary_star.
- RR_Caeli wikiPageWikiLink Caelum.
- RR_Caeli wikiPageWikiLink Caelum_(constellation).
- RR_Caeli wikiPageWikiLink Cataclysmic_variable.
- RR_Caeli wikiPageWikiLink Cataclysmic_variable_star.
- RR_Caeli wikiPageWikiLink Category:Binary_stars.
- RR_Caeli wikiPageWikiLink Category:Caelum_(constellation).
- RR_Caeli wikiPageWikiLink Category:M-type_main-sequence_stars.
- RR_Caeli wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- RR_Caeli wikiPageWikiLink Category:White_dwarfs.
- RR_Caeli wikiPageWikiLink Common_envelope.
- RR_Caeli wikiPageWikiLink Constellation.
- RR_Caeli wikiPageWikiLink Double_star.
- RR_Caeli wikiPageWikiLink Earth.
- RR_Caeli wikiPageWikiLink Eclipsing_binary.
- RR_Caeli wikiPageWikiLink Giant_planet.
- RR_Caeli wikiPageWikiLink Gliese-Jahreiss_catalogue.
- RR_Caeli wikiPageWikiLink Gliese_Catalogue_of_Nearby_Stars.
- RR_Caeli wikiPageWikiLink Jupiter.
- RR_Caeli wikiPageWikiLink Light-year.
- RR_Caeli wikiPageWikiLink Light_curve.
- RR_Caeli wikiPageWikiLink Light_years.
- RR_Caeli wikiPageWikiLink Luyten_Five-Tenths_catalogue.
- RR_Caeli wikiPageWikiLink Magnitude_(astronomy).
- RR_Caeli wikiPageWikiLink Proper_motion.
- RR_Caeli wikiPageWikiLink Red_dwarf.
- RR_Caeli wikiPageWikiLink Spectral_type.
- RR_Caeli wikiPageWikiLink Star_catalogue.
- RR_Caeli wikiPageWikiLink Stellar_classification.
- RR_Caeli wikiPageWikiLink Tidal_locking.
- RR_Caeli wikiPageWikiLink Tidally_locked.
- RR_Caeli wikiPageWikiLink White_dwarf.
- RR_Caeli wikiPageWikiLink Willem_Jacob_Luyten.
- RR_Caeli wikiPageWikiLinkText "RR Cae".
- RR_Caeli wikiPageWikiLinkText "RR Caeli".
- RR_Caeli appmagV "14.4".
- RR_Caeli aricns "2332".
- RR_Caeli bV "0.52".
- RR_Caeli class "DA7.8 + M6V".
- RR_Caeli component "Red dwarf".
- RR_Caeli component "White dwarf".
- RR_Caeli constell Caelum.
- RR_Caeli constell Caelum_(constellation).
- RR_Caeli dec "−48° 39′ 07.02″".
- RR_Caeli eccentricity "0".
- RR_Caeli epe "RR+Cae".
- RR_Caeli epoch "J2000".
- RR_Caeli exoplanet "b".
- RR_Caeli gravity "± 0.04".
- RR_Caeli gravity "± 0.06".
- RR_Caeli group "note".
- RR_Caeli hasPhotoCollection RR_Caeli.
- RR_Caeli luminosityBolometric "0.0038".
- RR_Caeli luminosityBolometric "7.0E-4".
- RR_Caeli mass "0.44".
- RR_Caeli mass "± 0.012".
- RR_Caeli mass "≥4.2 ± 0.4".
- RR_Caeli name "RR Caeli".
- RR_Caeli nsted "RR+Cae+b".
- RR_Caeli pError "1.34".
- RR_Caeli parallax "49.68".
- RR_Caeli period "11.9".
- RR_Caeli periodUnit "year".
- RR_Caeli propMoDec "−538.3".
- RR_Caeli propMoRa "17.9".
- RR_Caeli ra "15665.563".
- RR_Caeli radius "± 0.0004".
- RR_Caeli radius "± 0.015".
- RR_Caeli semimajor "~5.3 ± 0.6".
- RR_Caeli simbad "RR+Caeli".
- RR_Caeli temperature "3100".
- RR_Caeli temperature "7540".
- RR_Caeli uB "−0.42".
- RR_Caeli wikiPageUsesTemplate Template:OrbitboxPlanet.
- RR_Caeli wikiPageUsesTemplate Template:OrbitboxPlanet_begin.
- RR_Caeli wikiPageUsesTemplate Template:Orbitbox_end.
- RR_Caeli wikiPageUsesTemplate Template:Reflist.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_astrometry.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_begin.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_catalog.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_character.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_detail.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_end.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_observe.
- RR_Caeli wikiPageUsesTemplate Template:Starbox_reference.
- RR_Caeli wikiPageUsesTemplate Template:Stars_of_Caelum.
- RR_Caeli subject Category:Binary_stars.
- RR_Caeli subject Category:Caelum_(constellation).
- RR_Caeli subject Category:M-type_main-sequence_stars.
- RR_Caeli subject Category:Objects_named_with_variable_star_designations.
- RR_Caeli subject Category:White_dwarfs.
- RR_Caeli hypernym Star.
- RR_Caeli type CelestialBody.
- RR_Caeli type Place.
- RR_Caeli type Star.