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- 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 wikiPageRevisionID "596662913".
- 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 dec "−48° 39′ 07.02″".
- RR_Caeli eccentricity "0".
- RR_Caeli epe "RR+Cae".
- RR_Caeli epoch "J2000".
- RR_Caeli exoplanet "b".
- RR_Caeli group "note".
- RR_Caeli inclination ">17.6".
- RR_Caeli name "RR Caeli".
- RR_Caeli nsted "RR+Cae+b".
- RR_Caeli pError "1.34".
- RR_Caeli parallax "49.68".
- RR_Caeli periodUnit "year".
- RR_Caeli propMoDec "−538.3".
- RR_Caeli propMoRa "17.9".
- RR_Caeli ra "15665.563".
- RR_Caeli simbad "RR+Caeli".
- RR_Caeli uB "−0.42".
- 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 type CelestialBody.
- RR_Caeli type Star.
- RR_Caeli type PhysicalBody.
- RR_Caeli comment "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.".
- RR_Caeli label "RR Caeli".
- RR_Caeli sameAs m.0_s507z.
- RR_Caeli sameAs Q17042262.
- RR_Caeli sameAs Q17042262.
- RR_Caeli wasDerivedFrom RR_Caeli?oldid=596662913.
- RR_Caeli isPrimaryTopicOf RR_Caeli.
- RR_Caeli name "RR Caeli".