- DEN 0255-4700
-
DENIS 0255-4700 Observation data
Epoch J2000 Equinox J2000Constellation Eridanus Right ascension 02h 55m 03.579s[1] Declination -47° 00′ 50.99″[1] Apparent magnitude (V) 22.92 Characteristics Spectral type L8[1] Apparent magnitude (R) ~20.062[1] Apparent magnitude (I) ~17.235[1] Astrometry Proper motion (μ) RA: 1053 ±11[1] mas/yr
Dec.: -547 ±6[1] mas/yrParallax (π) 201.37 ± 3.89 mas Distance 16.2 ± 0.3 ly
(4.97 ± 0.1 pc)Absolute magnitude (MV) 24.44 Details Mass 0.07 M☉ Other designations 2MUCD 10158,
DENIS-P J025503.3-470049,
2MASS J02550357-4700509,
DENIS-P J025503.5-470050,
DENIS-P J0255.0-4700,
2MASSI 0255035-470050Database references SIMBAD data DENIS 0255-4700 is an extremely faint brown dwarf about 16 light years from the Solar System in the southern constellation of Eridanus. It is the closest spectral class L brown dwarf to the Earth. Its proximity to the Solar System was discovered by the RECONS group in 2006.[1][2][3]
See also
References
- ^ a b c d e f g h "2MUCD 10158 -- Brown Dwarf (M<0.08solMass)". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=DENIS-P+J0255.0-4700. Retrieved 2009-12-14.
- ^ "DISCOVERY OF THE NEAREST L DWARF: THE INTRINSICALLY FAINTEST OBJECT AT VISUAL WAVELENGTHS KNOWN BEYOND OUR SOLAR SYSTEM". RECONS. http://www.chara.gsu.edu/RECONS/press.2006.08.html. Retrieved 2007-06-17.
- ^ Costa, Edgardo; Méndez, René A.; Jao, W.-C.; Henry, Todd J.; Subasavage, John P.; Ianna, Philip A. (September, 2006). "The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program". The Astronomical Journal 132 (3): 1234–1247. Bibcode 2006AJ....132.1234C. doi:10.1086/505706.
External links
Star systems (including brown dwarf systems) within 15–20 light-years from Earth. Altair (16.69 ± 0.04 ly; 1 star)Sigma Draconis «Alsafi» (18.77 ± 0.02 ly; 1 star) • Eta Cassiopeiae «Achird» (19.39 ± 0.05 ly; 2 stars) • e (82 G.) Eridani (19.71 ± 0.02 ly; 1 star, 3 planets: planet b • planet c • planet d) • Delta Pavonis (19.92 ± 0.02 ly; 1 star)Groombridge 1618 (15.87 ± 0.04 ly; 1 star) • Omicron² (40) Eridani «Keid» (16.25 ± 0.02 ly; 3 stars) • 70 Ophiuchi (16.64 ± 0.07 ly; 2 stars) • 33 G. Librae (19.12 ± 0.08 ly; 3 stars, 1 brown dwarf) • 36 Ophiuchi (19.40 ± 0.05 ly; 3 stars) • Gliese 783 (19.62 ± 0.04 ly; 2 stars)Gliese 876 (15.21 ± 0.04 ly; 1 star, 4 planets: planet d • planet c • planet b • planet e) • GJ 1002 (15.31 ± 0.26 ly; 1 star) • LHS 288 (15.55 ly; 1 star) • Gliese 412 (15.86 ± 0.07 ly; 2 stars) • AD Leonis (15.94 ± 0.22 ly; 1 star) • Gliese 832 (16.14 ± 0.08 ly; 1 star, 1 planet: planet b) • EV Lacertae (16.46 ± 0.07 ly; 1 star) • Gliese 682 (16.47 ± 0.17 ly; 1 star) • GJ 3379 (17.10 ± 0.17 ly; 1 star) • Gliese 445 (17.42 ± 0.15 ly; 1 star) • Stein 2051 (18.07 ± 0.08 ly; 2 stars) • Gliese 229 (18.77 ± 0.11 ly; 1 star, 1 brown dwarf) • Gliese 752 (19.08 ± 0.06 ly; 2 stars: Gliese 752 A • Gliese 752 B) • YZ Canis Minoris (19.51 ± 0.24 ly; 1 star) • QY Aurigae (19.96 ± 0.22 ly; 2 stars)‡DQGliese 440 (15.09 ± 0.08 ly; 1 star) • GJ 1221 (19.80 ± 0.30 ly; 1 star)‡LP 944-020 (16.19 ± 0.35 ly; 1 brown dwarf) • 2MASS 1835+3259 (18.48 ± 0.05 ly; 1 brown dwarf)DEN 0255-4700 (16.20 ± 0.32 ly; 1 brown dwarf)UGPS 0722-05 (13.3 ± 2.0 ly; 1 brown dwarf)‡ • WISE 1506+7027 (~16.0 ly; 1 brown dwarf)‡ • DEN 0817-6155 (16.1 + 1.1/- 1.0 ly; 1 brown dwarf) • 2MASS 0939-2448 (17.41 ± 0.44 ly; 2 brown dwarfs) • WISE 1741+2553 (17.9 + 3.3/- 3.1 ly; 1 brown dwarf)‡ • 2MASS 0415-0935 (18.71 ± 0.30 ly; 1 brown dwarf) • WISE 0254+0223 (19.8 + 7.6/- 4.3 ly; 1 brown dwarf)‡ • 2MASS 0937+2931 (19.97 ± 0.20 ly; 1 brown dwarf)‡ • SIMP J013656.5+093347 (20.9 ± 1.0 ly; 1 brown dwarf)‡WISE 2056+1459 (9.8 + 11.1/- 2.0 ly; 1 brown dwarf)‡ • WISE 1738+2732 (11.1 + 12.7/- 0 ly; 1 brown dwarf)‡ • WISE 0410+1502 (23.2 + 5.2/- 12.7 ly; 1 brown dwarf)‡In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems possibly located within declared distance interval, but probably not. Bayer α (Achernar) • β (Cursa) • γ (Zaurak) • δ (Rana) • ε • ζ (Zibal) • η (Azha) • θ (Acamar) • ι • κ • λ • μ • ν • ξ • ο¹ (Beid) • ο² (Keid) • π • ρ¹ (rho-1) • ρ² (rho-2) • ρ³ (rho-3) • τ¹ • τ² (Angetenar) • τ³ • τ4 • υ¹ (Theemin) • υ² (Beemin) • υ³ • φ • χ • ψ • ω • b • c • d • e (82 G.) • f • g • h • i • l (Sceptrum) • p • q¹ • q² • s • v • w • y • AFlamsteed 1 (τ¹) • 2 (τ², Angetenar) • 3 (η, Azha) • 4 • 5 • 6 • 7 • 8 (ρ¹, rho-1) • 9 (ρ², rho-2) • 10 (ρ³, rho-3) • 11 (τ<³) • 13 (ζ, Zibal) • 14 • 15 • 16 (τ4) • 17 • 18 (ε) • 20 • 21 • 22 • 23 (δ, Rana) • 24 • 25 • 26 (π) • 29 • 30 • 32 (w) • 34 (γ, Zaurak) • 35 • 37 • 38 (ο¹, Beid) • 39 (A) • 40 (ο², Keid) • 42 (ξ) • 45 • 46 • 47 • 48 (ν) • 50 (υ¹, Theemin) • 51 (c) • 52 (υ², Beemin) • 53 (l, Sceptrum) • 54 • 55 • 56 • 57 (μ) • 58 • 59 • 60 • 61 (ω) • 62 (b) • 63 • 64 • 65 (ψ) • 66 • 67 (β, Cursa) • 68 • 69 (λ)Nearby List Categories:- Eridanus constellation
- Brown dwarfs
- Subdwarf stars
- Star stubs
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