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Barnard's Star

Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of 5.96 light-years (1.83 pc) from Earth, it is the fourth-nearest-known individual star to the Sun after the three components of the Alpha Centauri system, and is the closest star in the northern celestial hemisphere. Its stellar mass is about 16% of the Sun's, and…

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Apparent magnitude (B)
11.240
Apparent magnitude (H)
4.83
Apparent magnitude (I)
6.741
Apparent magnitude (J)
5.24
Apparent magnitude (K)
4.524
Apparent magnitude (R)
8.298

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Overview

Discovery and naming

Description

Planetary system

Stellar flares

Environment

Proposed exploration

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Map overview Semantic statistics

Barnard's Star

Nodes122
Edges121
Triples128
Avg. degree1.98
Density0.016393
Components1

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Barnard's Star

Top relations

related to External links · 24
Barnard's Star → Amateur, Animated, Archived, Astrobiology, Astronomy, August, BBC News, Darling, David, Environment, Exoplanet, Inc, Jack, Jack Schmidling Productions, Johnson, November, Paul, Rick, Rincon, Schmidling
related to Discovery and naming · 14
Barnard's Star → American, Edward Emerson Barnard, February, Harvard University, IAU-approved Star Names, In, International Astronomical Union, List, Star Names, Sun, The, The WGSN, WGSN, Working Group
related to Planetary system · 13
Barnard's Star → Additionally, All, An, Barnard, Earth, ESPRESSO, In August, In March, TESS, The, This, Very Large Telescope, With
related to Environment · 12
Barnard's Star → Alpha Centauri, Dec, Earth, From Barnard's Star, Its, Monoceros, Pollux, RA, Ross, Sun, The, The Sun
related to Previous planetary claims · 10
Barnard's Star → AU, Earth, From, His, However, In November, It, July, Kamp, Peter
related to 1998 · 9
Barnard's Star → Diane Paulson, Flares, For Barnard's Star, Four, Given, In, July, Research, The
related to Description · 8
Barnard's Star → At, Further, Given, In, M4, Milky Way, Sun, V2500 Ophiuchi
see also · 7
Barnard's Star → Aries, Barnard's, Earth, Kepler-42, Nearly, Red, Teegarden's Star
related to 2019 · 4
Barnard's Star → Earth, In, The, X-ray
related to Project Daedalus · 4
Barnard's Star → Along, Project Daedalus, The, Undertaken

Important terminology Word statistics

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Important terminology

star barnard's planets sun stellar mass planetary planet stars would van de red system velocity one also radial motion years

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Barnard's StarApparent magnitude (B)11.2401.00infobox
Barnard's StarApparent magnitude (H)4.831.00infobox
Barnard's StarApparent magnitude (I)6.7411.00infobox
Barnard's StarApparent magnitude (J)5.241.00infobox
Barnard's StarApparent magnitude (K)4.5241.00infobox
Barnard's StarApparent magnitude (R)8.2981.00infobox
Barnard's StarApparent magnitude (U)12.4971.00infobox
Barnard's StarApparent magnitude (V)9.5111.00infobox
Barnard's StarB−V color index1.7131.00infobox
Barnard's StarConstellationOphiuchus1.00infobox
Barnard's StarDeclination+04° 41′ 36.1139″1.00infobox
Barnard's StarEvolutionary stagemain sequence1.00infobox
Barnard's StarRight ascension17h 57m 48.49847s1.00infobox
Barnard's StarR−I color index1.5571.00infobox
Barnard's StarSpectral typeM4.0V1.00infobox
Barnard's StarU−B color index1.2571.00infobox
Barnard's StarVariable typeBY Draconis1.00infobox
Barnard's StarV−R color index1.2131.00infobox
Barnard's Staris asmall red dwarf star in the constellation of Ophiuchus0.90text
Barnard's Staris aflare star0.90text

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