- Gliese 849
-
Gliese 849 Observation data
Epoch J2000.0 Equinox J2000.0Constellation Aquarius Right ascension 22h 9m 40.3460s Declination –4° 38′ 26.624″ Apparent magnitude (V) 10.42 Characteristics Spectral type M3.5V U−B color index 1.13 B−V color index 1.51 V−R color index 1.11 R−I color index 1.41 Astrometry Radial velocity (Rv) −12 ± 5 km/s Proper motion (μ) RA: 1134.93 ± 2.75 mas/yr
Dec.: −19.71 ± 1.3 mas/yrParallax (π) 113.97 ± 2.10 mas Distance 28.618 ± 0.7 ly
(8.774 ± 0.2 pc)Absolute magnitude (MV) 10.70 Details Mass 0.36 M☉ Radius 0.52 ± 0.07 R☉ Surface gravity (log g) 4.66 Luminosity 0.029 L☉ Temperature 3,300 ± 100 K Other designations Database references SIMBAD data NStED data ARICNS data Planet Gliese 849b data Data sources: Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)Gliese 849 is a red dwarf star approximately 29 light years away in the constellation of Aquarius.
Contents
Planetary system
In August 2006, a first long-period Jupiter-like planet was found orbiting the red dwarf at a distance of 2.35 astronomical units, taking 1890 days to orbit with a low eccentricity.
The Gliese 849 system Companion
(in order from star)Mass Semimajor axis
(AU)Orbital period
(days)Eccentricity b >0.82 MJ 2.35 1890 ± 130 0.06 ± 0.09 See also
- Gliese 317
- Gliese 649
- Gliese 581
- List of extrasolar planets
References
- Butler et al.; Johnson, John Asher; Marcy, Geoffrey W.; Wright, Jason T.; Vogt, Steven S.; Fischer, Debra A. (2006). "A Long-Period Jupiter-Mass Planet Orbiting the Nearby M Dwarf GJ 849". The Astronomical Society of the Pacific 118: 1685–1689. arXiv:astro-ph/0610179. Bibcode 2006PASP..118.1685B. doi:10.1086/510500.web preprint
External links
- "Gj 849". The Extrasolar Planets Encyclopedia. http://exoplanet.eu/star.php?st=Gj+849.
- "BD-05 5715 / Gl 849". Solstation. http://www.solstation.com/stars/gl849.htm.
- "Image: Gliese 849". Aladin Previewer. http://aladin.u-strasbg.fr/AladinPreview?-c=22+09+40.3460-04+38+26.624&ident=LHS+++517&submit=Aladin+previewer.
Star systems (including brown dwarf systems) within 25–30 light-years from Earth.Pi³ Orionis «Tabit» (26.2 ± 0.2 ly; 1 star) • Chi Draconis (26.22 ± 0.11 ly; 2 stars) • Zeta Tucanae (28.0 ± 0.2 ly; 1 star) • Gamma Leporis (29.3 ± 0.2 ly; 2 stars) • Gamma Pavonis (30.1 ± 0.2 ly; 1 star)‡Mu Herculis (27.4 ± 0.2 ly; 3 stars)Xi Ursae Majoris «Alula Australis» (27.25 ± 0.18 ly; 3 stars, 1 brown dwarf) • Beta Canum Venaticorum «Chara» (27.3 ± 0.2 ly; 1 star) • 61 Virginis (27.8 ± 0.2 ly; 1 star, 3 planets: planet b • planet c • planet d) • Chi¹ Orionis (28.3 ± 0.3 ly; 2 stars) • 41 G. Arae (28.7 ± 0.3 ly; 2 stars) • Beta Comae Berenices (29.9 ± 0.2 ly; 1 star)‡ • Kappa¹ Ceti (29.9 ± 0.2 ly; 1 star)‡ • HR 4523 (30.1 ± 0.2 ly; 2 stars, 1 planet: planet b)‡Groombridge 1830 (29.9 ± 0.2 ly; 1 star)‡Delta Eridani «Rana» (29.5 ± 0.3 ly; 1 star)TW Piscis Austrini (24.9 ± 0.2 ly; 1 star)‡ • Gliese 673 (25.2 ± 0.2 ly; 1 star)‡ • Gliese 884 (26.6 ± 0.3 ly; 1 star) • p Eridani (26.6 ± 0.3 ly; 2 stars) • Gliese 250 (28.4 ± 0.3 ly; 2 stars) • HR 1614 (28.8 ± 0.3 ly; 1 star) • HR 7722 (28.8 ± 0.3 ly; 1 star, 2 planets: planet b • planet c)Gliese 623 (26.2 ± 0.3 ly; 2 stars) • AP Columbae (27.4 ± 0.2 ly; 1 star) • Gliese 185 (27.8 ± 0.4 ly; 2 stars) • Gliese 745 (28.1 ± 0.6 ly; 2 stars) • Gliese 849 (28.6 ± 0.5 ly; 1 star, 1 planet: planet b) • Gliese 433 (29.5 ± 0.5 ly; 1 star, 1 planet: planet b) • Gliese 317 (29.9 ± 5.5 ly; 1 star: Gliese 317; 1 (2?) planets: planet b • planet c?)‡DAGJ 1087 (26.1 ± 0.8 ly; 1 star) • Gliese 915 (26.7 ± 0.3 ly; 1 star) • Gliese 318 (28.7 ± 0.5 ly; 1 star)DCGliese 293 (25.8 ± 0.3 ly; 1 star)DQGJ 2012 (29.5 ± 0.3 ly; 1 star)DZGliese 518 (26.9 ± 0.8 ly; 1 star) • GJ 1276 (27.9 ± 0.2 ly; 1 star) • Gliese 283 (29.7 ± 0.2 ly; 2 stars)SDSS J1416+13 (25.7 ± 5.5 ly; 2 brown dwarfs)‡ • WISE 1647+5632 (28.1 + 9.4/- 5.6 ly; 1 brown dwarf)‡ • 2MASS 0036+1821 (28.6 ± 0.2 ly; 1 brown dwarf)WISE 0254+0223 (19.8 + 7.6/- 4.3 ly; 1 brown dwarf)‡ • WISE 0313+7807 (~26.4 ly; 1 brown dwarf)‡ • UGPS J0521+3640 (26.7 + 3.9/- 3.2 ly; 1 brown dwarf)‡ • 2MASS 0727+1710 (29.6 ± 0.6 ly; 1 brown dwarf)‡ • CFBDS J005910.90-011401.3 (30.1 + 1.5/- 1.3 ly; 1 brown dwarf)‡ • WISE 2313-8037 (30.3 ± 1.3 ly; 1 brown dwarf)‡ • WISE 0458+6434 (34.2 ± 4.6 ly; 2 brown dwarfs)‡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.Stars of Aquarius Bayer Flamsteed - 1
- 2 (ε, Albali)
- 3
- 4
- 5
- 6 (μ)
- 7
- 8
- 9
- 10
- 11
- 12
- 13 (ν)
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22 (β, Sadalsuud)
- 23 (ξ, Bunda)
- 24
- 25
- 26
- 28
- 29
- 30
- 31 (ο)
- 32
- 33 (ι)
- 34 (α, Sadalmelik)
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43 (θ, Ancha)
- 44
- 45
- 46 (ρ)
- 47
- 48 (γ, Sadachbia)
- 49
- 50
- 51
- 52 (π, Seat)
- 53
- 54
- 55 (ζ)
- 56
- 57 (σ)
- 58
- 59 (υ)
- 60
- 61
- 62 (η)
- 63 (κ, Situla)
- 64
- 65
- 66
- 67
- 68
- 69 (τ1)
- 70
- 71 (τ2)
- 72
- 73 (λ)
- 74
- 75
- 76 (δ, Skat)
- 77
- 78
- 80
- 82
- 83
- 85
- 86
- 87
- 88
- 89
- 90 (φ)
- 91 (ψ1)
- 92 (χ)
- 93 (ψ2)
- 94
- 95 (ψ3)
- 96
- 97
- 98
- 99
- 100
- 101
- 102 (ω1)
- 103
- 104
- 105 (ω2)
- 106
- 107
- 108
Coordinates: 22h 09m 40.3460s, −4° 38′ 26.624″
Categories:- Aquarius constellation
- Gliese and GJ objects
- HIP objects
- M-type main sequence stars
- Planetary systems
- Star stubs
- Main sequence star stubs
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