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- FU_Orionis_star abstract "In stellar evolution, an FU Orionis star (also FU Orionis object, or FUor) is a pre–main sequence star which displays an extreme change in magnitude and spectral type. One example is the star V1057 Cyg, which became 6 magnitudes brighter and went from spectral type dKe to F-type supergiant. These stars are named after their type-star, FU Orionis.The current model developed primarily by Lee Hartmann and Scott Jay Kenyon associates the FU Orionis flare with abrupt mass transfer from an accretion disc onto a young, low mass T Tauri star,. Mass accretion rates for these objects are estimated to be around 10−4 solar masses per year. The rise time of these eruptions is typically ~ 1 year, but can be much longer. The lifetime of this high accretion, high luminosity phase is on the order of decades. However, even with such a relatively short timespan, an FU Orionis object has yet to be observed shutting off. By comparing the number of FUor outbursts to the rate of star formation in the solar neighborhood, it is estimated that the average young star undergoes approximately 10–20 FUor eruptions over its lifetime.The prototypes of this class are: FU Orionis, V1057 Cygni, V1515 Cygni, and the recent addition the embedded protostar V1647 Orionis, which erupted in 2004 January.".
- FU_Orionis_star thumbnail FU_Orionis.jpg?width=300.
- FU_Orionis_star wikiPageExternalLink CSS091110.html.
- FU_Orionis_star wikiPageExternalLink furor-over-fuors.html.
- FU_Orionis_star wikiPageExternalLink 0202.shtml.
- FU_Orionis_star wikiPageID "592172".
- FU_Orionis_star wikiPageRevisionID "568688462".
- FU_Orionis_star hasPhotoCollection FU_Orionis_star.
- FU_Orionis_star subject Category:FU_Orionis_stars.
- FU_Orionis_star subject Category:Star_types.
- FU_Orionis_star subject Category:Stellar_evolution.
- FU_Orionis_star type CelestialBody109239740.
- FU_Orionis_star type FUOrionisStars.
- FU_Orionis_star type NaturalObject100019128.
- FU_Orionis_star type Object100002684.
- FU_Orionis_star type PhysicalEntity100001930.
- FU_Orionis_star type Star109444100.
- FU_Orionis_star type Whole100003553.
- FU_Orionis_star type CelestialBody.
- FU_Orionis_star type Star.
- FU_Orionis_star type PhysicalBody.
- FU_Orionis_star comment "In stellar evolution, an FU Orionis star (also FU Orionis object, or FUor) is a pre–main sequence star which displays an extreme change in magnitude and spectral type. One example is the star V1057 Cyg, which became 6 magnitudes brighter and went from spectral type dKe to F-type supergiant.".
- FU_Orionis_star label "Estrela FU Orionis".
- FU_Orionis_star label "Estrella FU Orionis".
- FU_Orionis_star label "FU Orionis star".
- FU_Orionis_star label "FU Orionis-ster".
- FU_Orionis_star label "FU-Orionis-Stern".
- FU_Orionis_star label "Gwiazda typu FU Orionis".
- FU_Orionis_star label "Stella FU Orionis".
- FU_Orionis_star label "Étoile variable de type FU Orionis".
- FU_Orionis_star label "Фуор".
- FU_Orionis_star label "オリオン座FU型星".
- FU_Orionis_star label "獵戶FU型變星".
- FU_Orionis_star sameAs FU-Orionis-Stern.
- FU_Orionis_star sameAs Estrella_FU_Orionis.
- FU_Orionis_star sameAs Étoile_variable_de_type_FU_Orionis.
- FU_Orionis_star sameAs Stella_FU_Orionis.
- FU_Orionis_star sameAs オリオン座FU型星.
- FU_Orionis_star sameAs FU_Orionis-ster.
- FU_Orionis_star sameAs Gwiazda_typu_FU_Orionis.
- FU_Orionis_star sameAs Estrela_FU_Orionis.
- FU_Orionis_star sameAs m.02t809.
- FU_Orionis_star sameAs Q957044.
- FU_Orionis_star sameAs Q957044.
- FU_Orionis_star sameAs FU_Orionis_star.
- FU_Orionis_star wasDerivedFrom FU_Orionis_star?oldid=568688462.
- FU_Orionis_star depiction FU_Orionis.jpg.
- FU_Orionis_star isPrimaryTopicOf FU_Orionis_star.
