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- BT_Monocerotis abstract "BT Monocerotis (Nova Monocerotis 1939) was a nova, which lit up in the constellation Monoceros in 1939. It was discovered on a spectral plate by Fred L. Whipple on December 23, 1939. BT Monocerotis reached a brightness of 4.5 mag. Its brightness decreased after the outbreak in 36 days by 3 mag. The light curve for the eruption had a long plateau period.Photographic plates taken for 30 years prior to the eruption show that BT Monocerotis remained visible during that period. Prior to 1933, BT Monocerotis had an average magnitude of 15.52 with a variation of 1.2 magnitudes. It retained the same magnitude up until the eruption, showing a variation of 0.9 magnitudes. Thus it did not show a pre-eruption rise in brightness.This is an interacting binary star system consisting of a white dwarf primary star and a main sequence star with a stellar classification of G8V. The orbit has a period of 0.33381379 days and an inclination of 88.2° to the line of sight to the Earth, resulting in an eclipsing binary. The nova eruption is believed to have been driven by mass transferred from the secondary star to the white dwarf. It remains uncertain whether the white dwarf has an accretion disk formed by this material. Matter outflowing from the system has a line of sight velocity of 450 km s−1, but may be moving at up to 3,200 km s−1 if the flow is strictly bipolar.".
- BT_Monocerotis wikiPageExternalLink 1930.htm.
- BT_Monocerotis wikiPageID "2376842".
- BT_Monocerotis wikiPageLength "4070".
- BT_Monocerotis wikiPageOutDegree "18".
- BT_Monocerotis wikiPageRevisionID "659842966".
- BT_Monocerotis wikiPageWikiLink Accretion_disc.
- BT_Monocerotis wikiPageWikiLink Accretion_disk.
- BT_Monocerotis wikiPageWikiLink Apparent_magnitude.
- BT_Monocerotis wikiPageWikiLink Binary_star.
- BT_Monocerotis wikiPageWikiLink Category:1939_in_science.
- BT_Monocerotis wikiPageWikiLink Category:Monoceros_(constellation).
- BT_Monocerotis wikiPageWikiLink Category:Novae.
- BT_Monocerotis wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- BT_Monocerotis wikiPageWikiLink Eclipsing_binary.
- BT_Monocerotis wikiPageWikiLink Fred_L._Whipple.
- BT_Monocerotis wikiPageWikiLink Fred_Lawrence_Whipple.
- BT_Monocerotis wikiPageWikiLink Inclination.
- BT_Monocerotis wikiPageWikiLink Light_curve.
- BT_Monocerotis wikiPageWikiLink Main_sequence.
- BT_Monocerotis wikiPageWikiLink Monoceros.
- BT_Monocerotis wikiPageWikiLink Nova.
- BT_Monocerotis wikiPageWikiLink Orbital_inclination.
- BT_Monocerotis wikiPageWikiLink Stellar_classification.
- BT_Monocerotis wikiPageWikiLink White_dwarf.
- BT_Monocerotis wikiPageWikiLinkText "BT Mon".
- BT_Monocerotis wikiPageWikiLinkText "BT Monocerotis".
- BT_Monocerotis appmagV "15.4".
- BT_Monocerotis class "D/G8V".
- BT_Monocerotis constell Monoceros.
- BT_Monocerotis distPc "1700".
- BT_Monocerotis epoch "J2000".
- BT_Monocerotis hasPhotoCollection BT_Monocerotis.
- BT_Monocerotis mass "1.04".
- BT_Monocerotis rotationalVelocity "—/138".
- BT_Monocerotis variable Binary_star.
- BT_Monocerotis variable Eclipsing_binary.
- BT_Monocerotis wikiPageUsesTemplate Template:Citation_needed.
- BT_Monocerotis wikiPageUsesTemplate Template:Novae.
- BT_Monocerotis wikiPageUsesTemplate Template:Reflist.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_astrometry.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_begin.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_catalog.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_character.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_detail.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_end.
- BT_Monocerotis wikiPageUsesTemplate Template:Starbox_observe.
- BT_Monocerotis wikiPageUsesTemplate Template:Stars_of_Monoceros.
- BT_Monocerotis subject Category:1939_in_science.
- BT_Monocerotis subject Category:Monoceros_(constellation).
- BT_Monocerotis subject Category:Novae.
- BT_Monocerotis subject Category:Objects_named_with_variable_star_designations.
- BT_Monocerotis hypernym Nova.
- BT_Monocerotis type Article.
- BT_Monocerotis type CelestialBody.
- BT_Monocerotis type Event.
- BT_Monocerotis type Place.
- BT_Monocerotis type Star.
- BT_Monocerotis type Article.
- BT_Monocerotis type Event.
- BT_Monocerotis type Location.
- BT_Monocerotis type Place.
- BT_Monocerotis type Thing.
- BT_Monocerotis comment "BT Monocerotis (Nova Monocerotis 1939) was a nova, which lit up in the constellation Monoceros in 1939. It was discovered on a spectral plate by Fred L. Whipple on December 23, 1939. BT Monocerotis reached a brightness of 4.5 mag. Its brightness decreased after the outbreak in 36 days by 3 mag. The light curve for the eruption had a long plateau period.Photographic plates taken for 30 years prior to the eruption show that BT Monocerotis remained visible during that period.".
- BT_Monocerotis label "BT Monocerotis".
- BT_Monocerotis sameAs BT_Monocerotis.
- BT_Monocerotis sameAs BT_Monocerotis.
- BT_Monocerotis sameAs بیتی_تکشاخ.
- BT_Monocerotis sameAs BT_Monoceretis.
- BT_Monocerotis sameAs m.077lg2.
- BT_Monocerotis sameAs BT_Monoceretis.
- BT_Monocerotis sameAs BT_Monocerotis.
- BT_Monocerotis sameAs Q761435.
- BT_Monocerotis sameAs Q761435.
- BT_Monocerotis sameAs 麒麟座BT.
- BT_Monocerotis wasDerivedFrom BT_Monocerotis?oldid=659842966.
- BT_Monocerotis isPrimaryTopicOf BT_Monocerotis.
- BT_Monocerotis name "BT Monocerotis".