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- Wolf_424 abstract "Wolf 424 is a binary star system comprising two red dwarf stars at a distance of approximately 14.2 light years from the Sun. It is located in the constellation Virgo, between the stars ε Virginis and ο Virginis.The close binary nature of this star was discovered by Dutch American astronomer Dirk Reuyl in 1941, based upon an elongation of the star found in photographs. The two stars in the Wolf 424 system orbit about each other with a semi-major axis of 4.1 AU and an eccentricity of 0.3. The stars have an orbital period of 15.5 years and have a combined apparent magnitude of about 12.5.Wolf 424A is a cool main sequence red dwarf star of approximately 0.14 solar masses (147 Jupiters) and a radius of 0.17 solar radii. Its companion, Wolf 424B, is a cool main sequence red dwarf star of approximately 0.13 solar masses (136 Jupiters) and a radius of 0.14 solar radii. They are two of the dimmest known objects within 15 light years of the Sun. In 1967, it was discovered that both are flare stars that undergo random increases in luminosity. The system has been designated FL Virginis, and may experience sunspot activity. The stars may undergo variation in the level of flare activity over periods lasting several years.".
- Wolf_424 wikiPageExternalLink books?id=JStYf6WlXpgC&pg=PA100.
- Wolf_424 wikiPageExternalLink wolf-page.html.
- Wolf_424 wikiPageExternalLink sim-id?protocol=html&Ident=FL+Vir&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id.
- Wolf_424 wikiPageExternalLink wolf424.htm.
- Wolf_424 wikiPageExternalLink wolf424.jpg.
- Wolf_424 wikiPageID "1441210".
- Wolf_424 wikiPageLength "8669".
- Wolf_424 wikiPageOutDegree "55".
- Wolf_424 wikiPageRevisionID "682252652".
- Wolf_424 wikiPageWikiLink 1_petametre.
- Wolf_424 wikiPageWikiLink Astronomical_Units.
- Wolf_424 wikiPageWikiLink Astronomical_unit.
- Wolf_424 wikiPageWikiLink Binary_star.
- Wolf_424 wikiPageWikiLink Catalogue_of_High_Proper_Motion_Stars.
- Wolf_424 wikiPageWikiLink Category:Binary_stars.
- Wolf_424 wikiPageWikiLink Category:Flare_stars.
- Wolf_424 wikiPageWikiLink Category:Gliese_and_GJ_objects.
- Wolf_424 wikiPageWikiLink Category:Local_Bubble.
- Wolf_424 wikiPageWikiLink Category:M-type_main-sequence_stars.
- Wolf_424 wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- Wolf_424 wikiPageWikiLink Category:Virgo_(constellation).
- Wolf_424 wikiPageWikiLink Category:Wolf_objects.
- Wolf_424 wikiPageWikiLink Cincinnati_Observatory.
- Wolf_424 wikiPageWikiLink Dirk_Reuyl.
- Wolf_424 wikiPageWikiLink Eccentricity_(orbit).
- Wolf_424 wikiPageWikiLink Einstein_Observatory.
- Wolf_424 wikiPageWikiLink Epsilon_Virginis.
- Wolf_424 wikiPageWikiLink Flare_star.
- Wolf_424 wikiPageWikiLink GCRV.
- Wolf_424 wikiPageWikiLink General_Catalogue_of_Stellar_Radial_Velocities.
- Wolf_424 wikiPageWikiLink General_Catalogue_of_Trigonometric_Stellar_Parallaxes.
- Wolf_424 wikiPageWikiLink Guide_Star_Catalog.
- Wolf_424 wikiPageWikiLink JP11.
- Wolf_424 wikiPageWikiLink Jupiter_mass.
- Wolf_424 wikiPageWikiLink Light-year.
- Wolf_424 wikiPageWikiLink Light_years.
- Wolf_424 wikiPageWikiLink List_of_nearest_stars.
- Wolf_424 wikiPageWikiLink List_of_nearest_stars_and_brown_dwarfs.
- Wolf_424 wikiPageWikiLink Lowell_Proper_Motion_Survey.
- Wolf_424 wikiPageWikiLink Luyten_Five-Tenths_catalogue.
- Wolf_424 wikiPageWikiLink Luyten_Half-Second_catalogue.
- Wolf_424 wikiPageWikiLink Luyten_Two-Tenths_catalogue.
- Wolf_424 wikiPageWikiLink Main_sequence.
- Wolf_424 wikiPageWikiLink Milliarcsecond.
- Wolf_424 wikiPageWikiLink Minute_and_second_of_arc.
- Wolf_424 wikiPageWikiLink Omicron_Virginis.
- Wolf_424 wikiPageWikiLink Orbital_eccentricity.
- Wolf_424 wikiPageWikiLink Orbital_period.
- Wolf_424 wikiPageWikiLink Parsec.
- Wolf_424 wikiPageWikiLink Petametre.
- Wolf_424 wikiPageWikiLink Red_dwarf.
- Wolf_424 wikiPageWikiLink Semi-major_axis.
- Wolf_424 wikiPageWikiLink Solar_mass.
- Wolf_424 wikiPageWikiLink Star.
- Wolf_424 wikiPageWikiLink Star_catalogue.
- Wolf_424 wikiPageWikiLink USNO.
- Wolf_424 wikiPageWikiLink United_States_Naval_Observatory.
- Wolf_424 wikiPageWikiLink VVO_astronomical_catalog.
- Wolf_424 wikiPageWikiLink Variable_star_designation.
- Wolf_424 wikiPageWikiLink Virgo_(constellation).
- Wolf_424 wikiPageWikiLinkText "Wolf 424".
- Wolf_424 wikiPageWikiLinkText "Wolf 424".
- Wolf_424 absmagV "15.03".
- Wolf_424 appmagV "A: 13.22 ± 0.01".
- Wolf_424 appmagV "B: 13.21 ± 0.01".
- Wolf_424 axis "0.9257".
- Wolf_424 axisUnitless "4.062".
- Wolf_424 bV "1.84".
- Wolf_424 class "dM6e/dM6e".
- Wolf_424 constell Virgo_(constellation).
- Wolf_424 eccentricity "0.295".
- Wolf_424 epoch "J2000".
- Wolf_424 hasPhotoCollection Wolf_424.
- Wolf_424 inclination "103".
- Wolf_424 mass "A: 0.143 ± 0.011".
- Wolf_424 mass "B: 0.131 ± 0.010".
- Wolf_424 name "GJ 473 B".
- Wolf_424 node "143.48".
- Wolf_424 pError "4.6".
- Wolf_424 parallax "227.9".
- Wolf_424 periarg "347.2".
- Wolf_424 periastron "1992.297".
- Wolf_424 period "15.532".
- Wolf_424 primary "GJ 473 A".
- Wolf_424 propMoDec "+203".
- Wolf_424 propMoRa "−1730".
- Wolf_424 radialV "−2".
- Wolf_424 uB "1.19".
- Wolf_424 variable "Flare stars".
- Wolf_424 wikiPageUsesTemplate Template:Abbr.
- Wolf_424 wikiPageUsesTemplate Template:Cite_book.
- Wolf_424 wikiPageUsesTemplate Template:Nearest_systems.
- Wolf_424 wikiPageUsesTemplate Template:Reflist.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_astrometry.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_begin.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_catalog.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_character.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_detail.
- Wolf_424 wikiPageUsesTemplate Template:Starbox_end.