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- RR_Pictoris abstract "RR Pictoris, also known as Nova Pictoris 1925, is a cataclysmic variable star system that flared up as a nova that lit up in the constellation Pictor in 1925. It was first noticed by South African astronomer R. Watson on 25 May 1925 when it had an apparent magnitude of 2.3. It continued to brighten to magnitude 1.2, which it reached on 9 June 1925. It dimmed to magnitude 4 by 4 July, but brightened again to 1.9 on 9 August. Six months after its peak brightness, RR Pictoris faded to be invisible to the unaided eye, and was magnitude 12.5 by 1975.Novae are close binary systems composed of a white dwarf and secondary star that is so close it is filling up its Roche lobe with stellar material, which is then transferred onto the first star's accretion disc. Once this material reaches a critical mass, it ignites and the system brightens tremendously. The two stars of RR Pictoris orbit each other every 3.48 hours. Calculations of the speed suggest the secondary star is not dense enough for its size to still be on the main sequence, so it itself must have begun expanding and cooling already as its core has run out of hydrogen fuel. The RR Pictoris system is estimated to lie around 400 parsecs (1300 light-years) distant from Earth.".
- RR_Pictoris wikiPageID "2376826".
- RR_Pictoris wikiPageLength "3373".
- RR_Pictoris wikiPageOutDegree "15".
- RR_Pictoris wikiPageRevisionID "649096093".
- RR_Pictoris wikiPageWikiLink Accretion_disk.
- RR_Pictoris wikiPageWikiLink Apparent_magnitude.
- RR_Pictoris wikiPageWikiLink Cataclysmic_variable_star.
- RR_Pictoris wikiPageWikiLink Category:1925_in_science.
- RR_Pictoris wikiPageWikiLink Category:Novae.
- RR_Pictoris wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- RR_Pictoris wikiPageWikiLink Category:Pictor_(constellation).
- RR_Pictoris wikiPageWikiLink Epoch_(astronomy).
- RR_Pictoris wikiPageWikiLink International_Celestial_Reference_System.
- RR_Pictoris wikiPageWikiLink Main_sequence.
- RR_Pictoris wikiPageWikiLink Nova.
- RR_Pictoris wikiPageWikiLink Pictor.
- RR_Pictoris wikiPageWikiLink Roche_lobe.
- RR_Pictoris wikiPageWikiLink White_dwarf.
- RR_Pictoris wikiPageWikiLinkText "RR Pic".
- RR_Pictoris wikiPageWikiLinkText "RR Pictoris".
- RR_Pictoris absmagV "-6.9".
- RR_Pictoris appmagV "1.2".
- RR_Pictoris appmagV "9".
- RR_Pictoris constell Pictor.
- RR_Pictoris distPc "400".
- RR_Pictoris epoch "J2000.0".
- RR_Pictoris wikiPageUsesTemplate Template:DEC.
- RR_Pictoris wikiPageUsesTemplate Template:Novae.
- RR_Pictoris wikiPageUsesTemplate Template:RA.
- RR_Pictoris wikiPageUsesTemplate Template:Reflist.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_astrometry.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_begin.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_catalog.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_character.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_end.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_image.
- RR_Pictoris wikiPageUsesTemplate Template:Starbox_observe.
- RR_Pictoris wikiPageUsesTemplate Template:Stars_of_Pictor.
- RR_Pictoris subject Category:1925_in_science.
- RR_Pictoris subject Category:Novae.
- RR_Pictoris subject Category:Objects_named_with_variable_star_designations.
- RR_Pictoris subject Category:Pictor_(constellation).
- RR_Pictoris hypernym System.
- RR_Pictoris type CelestialBody.
- RR_Pictoris type Event.
- RR_Pictoris type Place.
- RR_Pictoris type Star.
- RR_Pictoris type Event.
- RR_Pictoris type Location.
- RR_Pictoris type Place.
- RR_Pictoris type Thing.
- RR_Pictoris comment "RR Pictoris, also known as Nova Pictoris 1925, is a cataclysmic variable star system that flared up as a nova that lit up in the constellation Pictor in 1925. It was first noticed by South African astronomer R. Watson on 25 May 1925 when it had an apparent magnitude of 2.3. It continued to brighten to magnitude 1.2, which it reached on 9 June 1925. It dimmed to magnitude 4 by 4 July, but brightened again to 1.9 on 9 August.".
- RR_Pictoris label "RR Pictoris".
- RR_Pictoris sameAs Q279860.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs m.077ldy.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs RR_Pictoris.
- RR_Pictoris sameAs Q279860.
- RR_Pictoris sameAs 绘架座RR.
- RR_Pictoris wasDerivedFrom RR_Pictoris?oldid=649096093.
- RR_Pictoris isPrimaryTopicOf RR_Pictoris.
- RR_Pictoris name "RR Pictoris".