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- Barnards_Star abstract "Barnard's Star /ˈbɑːrnərd/ is a very-low-mass red dwarf about six light-years away from Earth in the constellation of Ophiuchus. It is the fourth-closest known individual star to the Sun (after the three components of the Alpha Centauri system) and the closest star in the Northern Hemisphere. Despite its proximity, at a dim apparent magnitude of about nine, it is not visible with the unaided eye; however, it is much brighter in the infrared than it is in visible light.The star is named for American astronomer E. E. Barnard. He was not the first to observe the star (it appeared on Harvard University plates in 1888 and 1890), but in 1916 he measured its proper motion as 10.3 arcseconds per year, which remains the largest known proper motion of any star relative to the Solar System.Barnard's Star is among the most studied red dwarfs because of its proximity and favorable location for observation near the celestial equator. Historically, research on Barnard's Star has focused on measuring its stellar characteristics, its astrometry, and also refining the limits of possible extrasolar planets. Although Barnard's Star is an ancient star, it still experiences star flare events, one being observed in 1998.The star has also been the subject of some controversy. For a decade, from the early 1960s to the early 1970s, Peter van de Kamp claimed that there were one or more gas giants in orbit around it. Although the presence of small terrestrial planets around Barnard's Star remains a possibility, Van de Kamp's specific claims of large gas giants were refuted in the mid-1970s.".
- Barnards_Star thumbnail Barnardstar2006.jpg?width=300.
- Barnards_Star wikiPageExternalLink barnard.htm.
- Barnards_Star wikiPageExternalLink BarnardsStar.html.
- Barnards_Star wikiPageExternalLink BS2012.GIF.
- Barnards_Star wikiPageExternalLink barnards.htm.
- Barnards_Star wikiPageID "4196".
- Barnards_Star wikiPageID "56186".
- Barnards_Star wikiPageLength "35039".
- Barnards_Star wikiPageLength "52".
- Barnards_Star wikiPageOutDegree "1".
- Barnards_Star wikiPageOutDegree "125".
- Barnards_Star wikiPageRedirects Barnards_Star.
- Barnards_Star wikiPageRevisionID "342301877".
- Barnards_Star wikiPageRevisionID "706489771".
- Barnards_Star wikiPageWikiLink Alexander_Vyssotsky.
- Barnards_Star wikiPageWikiLink Alpha_Centauri.
- Barnards_Star wikiPageWikiLink Apparent_magnitude.
- Barnards_Star wikiPageWikiLink Astrobiology.
- Barnards_Star wikiPageWikiLink Astrometry.
- Barnards_Star wikiPageWikiLink Astronomer.
- Barnards_Star wikiPageWikiLink Astronomical_unit.
- Barnards_Star wikiPageWikiLink BY_Draconis_variable.
- Barnards_Star wikiPageWikiLink Barnards_Star.
- Barnards_Star wikiPageWikiLink Blueshift.
- Barnards_Star wikiPageWikiLink Brown_dwarf.
- Barnards_Star wikiPageWikiLink Category:Astronomical_objects_discovered_in_1916.
- Barnards_Star wikiPageWikiLink Category:BY_Draconis_variables.
- Barnards_Star wikiPageWikiLink Category:Discoveries_by_Edward_Emerson_Barnard.
- Barnards_Star wikiPageWikiLink Category:Durchmusterung_objects.
- Barnards_Star wikiPageWikiLink Category:Gliese_and_GJ_objects.
- Barnards_Star wikiPageWikiLink Category:High-proper-motion_stars.
- Barnards_Star wikiPageWikiLink Category:Hipparcos_objects.
- Barnards_Star wikiPageWikiLink Category:Local_Interstellar_Cloud.
- Barnards_Star wikiPageWikiLink Category:M-type_main-sequence_stars.
- Barnards_Star wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- Barnards_Star wikiPageWikiLink Category:Ophiuchus_(constellation).
- Barnards_Star wikiPageWikiLink Category:Stars_with_proper_names.
- Barnards_Star wikiPageWikiLink Celestial_equator.
- Barnards_Star wikiPageWikiLink Circumstellar_habitable_zone.
- Barnards_Star wikiPageWikiLink Constellation.
- Barnards_Star wikiPageWikiLink Convection.
- Barnards_Star wikiPageWikiLink Darwin_(spacecraft).
- Barnards_Star wikiPageWikiLink Day.
- Barnards_Star wikiPageWikiLink Deuterium.
- Barnards_Star wikiPageWikiLink Disc_(galaxy).
- Barnards_Star wikiPageWikiLink Double_star.
- Barnards_Star wikiPageWikiLink Durchmusterung.
- Barnards_Star wikiPageWikiLink Edward_Emerson_Barnard.
- Barnards_Star wikiPageWikiLink Effective_temperature.
- Barnards_Star wikiPageWikiLink Emission_spectrum.
- Barnards_Star wikiPageWikiLink Epoch_(astronomy).
- Barnards_Star wikiPageWikiLink European_Space_Agency.
- Barnards_Star wikiPageWikiLink Exoplanet.
- Barnards_Star wikiPageWikiLink Extraterrestrial_life.
- Barnards_Star wikiPageWikiLink Flare_star.
- Barnards_Star wikiPageWikiLink Galactic_halo.
- Barnards_Star wikiPageWikiLink Gas_giant.
- Barnards_Star wikiPageWikiLink George_David_Gatewood.
- Barnards_Star wikiPageWikiLink Gliese_Catalogue_of_Nearby_Stars.
- Barnards_Star wikiPageWikiLink Helium.
- Barnards_Star wikiPageWikiLink Helium-3.
- Barnards_Star wikiPageWikiLink Henry_L._Giclas.
- Barnards_Star wikiPageWikiLink Hipparcos.
- Barnards_Star wikiPageWikiLink Hubble_Space_Telescope.
- Barnards_Star wikiPageWikiLink Infrared.
- Barnards_Star wikiPageWikiLink Interferometry.
- Barnards_Star wikiPageWikiLink Interstellar_medium.
- Barnards_Star wikiPageWikiLink Jupiter.
- Barnards_Star wikiPageWikiLink Kelvin.
- Barnards_Star wikiPageWikiLink Latin.
- Barnards_Star wikiPageWikiLink Light.
- Barnards_Star wikiPageWikiLink Light-year.
- Barnards_Star wikiPageWikiLink List_of_nearest_stars_and_brown_dwarfs.
- Barnards_Star wikiPageWikiLink Logarithmic_scale.
- Barnards_Star wikiPageWikiLink Magnetic_field.
- Barnards_Star wikiPageWikiLink Metallicity.
- Barnards_Star wikiPageWikiLink Methods_of_detecting_exoplanets.
- Barnards_Star wikiPageWikiLink Metre_per_second.
- Barnards_Star wikiPageWikiLink Micrometre.
- Barnards_Star wikiPageWikiLink Milky_Way.
- Barnards_Star wikiPageWikiLink Minute_and_second_of_arc.
- Barnards_Star wikiPageWikiLink Monoceros.
- Barnards_Star wikiPageWikiLink NASA.
- Barnards_Star wikiPageWikiLink Nuclear_fusion.
- Barnards_Star wikiPageWikiLink Ophiuchus.
- Barnards_Star wikiPageWikiLink Perturbation_(astronomy).
- Barnards_Star wikiPageWikiLink Peter_van_de_Kamp.
- Barnards_Star wikiPageWikiLink Photographic_plate.
- Barnards_Star wikiPageWikiLink Plasma_(physics).
- Barnards_Star wikiPageWikiLink Pollux_(star).
- Barnards_Star wikiPageWikiLink Project_Daedalus.
- Barnards_Star wikiPageWikiLink Proper_motion.
- Barnards_Star wikiPageWikiLink Proxima_Centauri.
- Barnards_Star wikiPageWikiLink Radial_velocity.
- Barnards_Star wikiPageWikiLink Red_dwarf.
- Barnards_Star wikiPageWikiLink Robert_Freitas.
- Barnards_Star wikiPageWikiLink Ross_154.
- Barnards_Star wikiPageWikiLink Self-replicating_spacecraft.
- Barnards_Star wikiPageWikiLink Sirius.