Gliese 758 B

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GJ 758 B
Parent star
Extrasolar planet		List of extrasolar planets
Discovery image of GJ 758 B, taken with Subaru HiCIAO in the near infrared.
Star		GJ 758
Constellation		Lyra
Right ascension	(α)	19^h 23^m 34.0^s
Declination	(δ)	+33° 13′ 19.1″
Apparent magnitude	(m_V)	6.36
Distance		50.55 ly (15.5 pc)
Spectral type		G9V
Orbital elements
Semimajor axis	(a)	41.8+37.3 −13.4^[1] AU
Eccentricity	(e)	0.464+0.206 −0.260^[1]
Orbital period	(P)	270+433 −119^[1] y
Physical characteristics
Mass	(m)	~30–40^[1] M_J
Temperature	(T)	593+44 −44 K
Discovery information
Discovery date		November 9, 2009
Discoverer(s)		Thalmann, et al.
Discovery method		Direct imaging
Discovery status		Published
Database references
Extrasolar Planets Encyclopaedia		data
SIMBAD		data

GJ 758 B is a brown dwarf orbiting the G-type main sequence star GJ 758, located approximately 50 light years away, in the constellation Lyra.

GJ 758 B was detected by direct imaging using the HiCIAO instrument of the Subaru Telescope.^[2]^[3]^[4] The parameters have subsequently been revised in a follow-up study which also revealed that a putative second substellar object in the system was in fact an unrelated background star.^[1]

References

↑ 1.0 1.1 1.2 1.3 1.4 Janson, M.; Carson, J.; Thalmann, C.; McElwain, M. W.; Goto, M.; Crepp, J.; Wisniewski, J.; Abe, L.; Brandner, W.; Burrows, A.; Egner, S.; Feldt, M.; Grady, C. A.; Golota, T.; Guyon, O.; Hashimoto, J.; Hayano, Y.; Hayashi, M.; Hayashi, S.; Henning, T.; Hodapp, K. W.; Ishii, M.; Iye, M.; Kandori, R.; Knapp, G. R.; Kudo, T.; Kusakabe, N.; Kuzuhara, M.; Matsuo, T.; Mayama, S.; Miyama, S.; Morino, J.-I.; Moro-Martín, A.; Nishimura, T.; Pyo, T.-S.; Serabyn, E.; Suto, H.; Suzuki, R.; Takami, M.; Takato, N.; Terada, H.; Tofflemire, B.; Tomono, D.; Turner, E. L.; Watanabe, M.; Yamada, T.; Takami, H.; Usuda, T.; Tamura, M. (2011). "Near-infrared Multi-band Photometry of the Substellar Companion GJ 758 B". The Astrophysical Journal 728 (2). arXiv:1011.5505. Bibcode:2011ApJ...728...85J. doi:10.1088/0004-637X/728/2/85.
↑ Thalmann, Christian (2009). "Discovery of the Coldest Imaged Companion of a Sun-Like Star". arXiv:0911.1127v1 [astro-ph.EP].
↑ "Possible Planet Around a G-class Star". Centauri Dreams. 2009-12-04. Retrieved 2009-12-04.
↑ "Discovery of an Exoplanet Candidate Orbiting a Sun-Like Star: Inaugural Observations with Subaru's New Instrument HiCIAO". Subaru Telescope. 2009-12-03. Retrieved 2009-12-04.

External links

Animation of GJ 758 B's orbit compared to outer Solar System

Coordinates: 19^h 23^m 34.0^s, +33° 13′ 19.1″

v t e Gliese 758 system

Stars	Gliese 758

Brown dwarf	Gliese 758 B

← Star systems within 50–55 light-years →

Star systems (including brown dwarf systems) within 50–55 light-years from Earth.

A V (White)	Castor (51.6 ± 1.0 ly; 6 stars)

F
(Yellow-white)

IV	Delta Aquilae «Denebokab» (50.1 ± 0.6 ly; 3 stars) I Carinae (52.9 ± 0.4 ly; 1 star) Beta Cassiopeiae «Caph» (54.5 ± 0.5 ly; 2 stars)

V	Phi² Ceti (50.4 ± 0.8 ly; 1 star) Sigma Boötis «Hemelein Secunda» (50.4 ± 0.6 ly; 2 stars) 99 Herculis (50.5 ± 0.6 ly; 3 stars) Tau Boötis (50.9 ± 0.6 ly; 2 stars, 1 planet: b) Chi Herculis (51.7 ± 0.4 ly; 1 star) Xi Pegasi (53.0 ± 0.7 ly; 2 stars) 10 Ursae Majoris (53.0 ± 0.9 ly; 2 stars) Alpha Circini (53.5 ± 0.5 ly; 2 stars)

G V
(Yellow)

51 Pegasi (50.1 ± 0.6 ly; 1 star, 1 planet: b «Bellerophon»)
GJ 3233 (50.2+6.0
−4.9 ly; 1 star)
Gliese 758 (50.5 ± 0.5 ly; 1 star, 1 brown dwarf: B)
HD 38858 (50.8 ± 0.9 ly; 1 star, 1 planet: b)
HR 8323 (51.0 ± 0.6 ly; 1 star)
104 Tauri (51.8 ± 0.8 ly; 2 stars)
Gliese 777 (51.8 ± 0.5 ly; 3 stars, 2 planets: c
b)
GJ 3781 (52.3 ± 1.2 ly; 2 stars)
HR 3138 (52.8 ± 0.4 ly; 3 stars)
9 Puppis (53.4 ± 0.8 ly; 2 stars)
Psi⁵ Aurigae (53.9 ± 0.6 ly; 1 star)
HD 53705/53706/53680 (53.9 ± 0.9 ly; 4 stars)
HR 5273 (54.1 ± 0.7 ly; 2 stars)
HR 2225 (54.5 ± 0.7 ly; 1 star)
39 Tauri (54.6 ± 0.8 ly; 2 stars)
Gliese 295 (54.8 ± 0.7 ly; 1 star)
HR 2721 (55.0 ± 0.6 ly; 1 star)

K V
(Orange)

HR 159 (50.2 ± 0.8 ly; 2 stars)
Gliese 156 (50.3 ± 0.9 ly; 1 star)
Gliese 862 (50.4 ± 0.8 ly; 1 star)
Gliese 227 (50.4 ± 0.7 ly; 1 star)
HD 135599 (50.8 ± 0.8 ly; 1 star)
Gliese 778 (50.8 ± 0.7 ly; 1 star)
GJ 1175 (50.9 ± 0.6 ly; 1 star)
Gliese 782 (51.1 ± 1.2 ly; 1 star)
Gliese 397 (51.1 ± 1.0 ly; 1 star)
HD 113538 (51.2 ± 1.1 ly; 1 star, 2 planets: b
c)
HD 139763 (51.3 ± 1.1 ly; 1 star)
Gliese 157 (51.4 ± 1.7 ly; 3 stars)
Gliese 619 (51.9 ± 0.7 ly; 1 star)
Gliese 112.1 (51.9 ± 1.3 ly; 1 star)
Gliese 156.2 (52.1 ± 0.7 ly; 1 star)
Gliese 462 (52.2 ± 1.1 ly; 1 star)
Gliese 3 (52.2 ± 0.7 ly; 1 star)
Gliese 32 (52.3 ± 1.4 ly; 2 stars)
Gliese 472 (52.8 ± 0.5 ly; 1 star)
Gliese 824 (52.8 ± 0.9 ly; 1 star)
Gliese 152 (52.9 ± 0.6 ly; 1 star)
Gliese 143 (53.4 ± 1.3 ly; 1 star)
GJ 1177 (53.4 ± 2.7 ly; 2 stars)
Gliese 826.1 (53.4 ± 1.2 ly; 1 star)
Gliese 247 (53.5 ± 1.2 ly; 1 star)
BY Draconis (53.6 ± 0.6 ly; 1 star)
Gliese 531 (53.6 ± 0.8 ly; 1 star)
Gliese 322 (53.8 ± 1.3 ly; 1 star)
Gliese 553 (53.9 ± 1.4 ly; 1 star)
HD 128311 (54.0 ± 0.9 ly; 1 star, 2 planets: b
c)
Gliese 795 (54.5 ± 2.0 ly; 2 stars)
A 2329 (54.6 ± 1.1 ly; 2 stars)
GJ 1181 (54.8 ± 2.5 ly; 2 stars)
Gliese 786 (54.8 ± 0.7 ly; 1 star)
HD 7924 (54.9 ± 0.5 ly; 1 star, 1 planet: b)
Gliese 895.4 (55.0 ± 0.6 ly; 1 star)
Gliese 200 (55.0 ± 1.6 ly; 2 stars)

M V (Red dwarf)	GJ 3685/3686 (50.7+11.8 −8.0 ly; 2 stars) GJ 1062 (52.3 ± 2.9 ly; 1 star) HD 179930 (52.5 ± 1.7 ly; 2 stars) GJ 1264 (52.6 ± 2.1 ly; 1 star) Gliese 676 (53.7 ± 1.5 ly; 2 stars, 4 planets: Ad Ae Ab Ac) GJ 1049 (53.9 ± 1.2 ly; 1 star)

White
dwarf

DA	BPM 37093 (53.5+9.7 −7.1 ly; 1 star)

Brown
dwarf

WISE 0614+3912 (~50.2 ly; 1 brown dwarf)
WISE 1617+1807 (~50.2 ly; 1 brown dwarf)
WISE 1627+3255 (~50.2 ly; 1 brown dwarf)
WISE 0542-1628 (~50.6 ly; 1 brown dwarf)
WISE 1124-0421 (~50.6 ly; 1 brown dwarf)
WISE 2015+6646 (~50.6 ly; 1 brown dwarf)
WISE 1519+7009 (~50.9 ly; 1 brown dwarf)
WISE 0325-3854 (~51.2 ly; 1 brown dwarf)
WISE 2342+0856 (~51.2 ly; 1 brown dwarf)
WISE 0614+0951 (~51.5 ly; 1 brown dwarf)
WISE 0750+2725 (~51.5 ly; 1 brown dwarf)
WISE 0906+4735 (~51.5 ly; 1 brown dwarf)
WISE 1906+4508 (~51.5 ly; 1 brown dwarf)
WISE 1457+5815 (~52.2 ly; 1 brown dwarf)
WISE 2319-1844 (~52.2 ly; 1 brown dwarf)
WISE 1622-0959 (52.2 ± 6.5 ly; 1 brown dwarf)
WISE 1042-3842 (~53.2 ly; 1 brown dwarf)
WISE 2237-0614 (~53.5 ly; 1 brown dwarf)
WISE 0241-3653 (~53.8 ly; 1 brown dwarf)
WISE 0656+4205 (~54.1 ly; 1 brown dwarf)
WISE 2348-1028 (~54.1 ly; 1 brown dwarf)
WISE 1804+3117 (54.4+12.2
−8.4 ly; 1 brown dwarf)
WISE 0148+7202 (54.4+19.8
−11.4 ly; 1 brown dwarf)
WISE 0333-5856 (~54.8 ly; 1 brown dwarf)
WISE 2357+1227 (~54.8 ly; 1 brown dwarf)

In left column are stellar classes of primary members of star systems. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems without known trigonometric parallax.

v t e Stars of Lyra

Bayer	α (Vega) β (Sheliak) γ (Sulafat) δ¹ δ² ε^{1, 2} (Double Double) ζ¹ ζ² η (Aladfar) θ ι κ λ μ (Alathfar) ν¹ ν²

Flamsteed	16 17 19

Variable	R (13) S T V W RR RV RZ TT TZ UZ XY AY CC CN CY DM EP EZ FL HK HP HR KX MV V344 V361 V404 V473 V477 V478 V533 V542 V543 V545 V550 V558

HR	6845 6847 6853 6901 6968 6984 6997 7016 7017 7019 7030 7033 7041 7043 7044 7064 7073 7081 7112 7115 7118 7132 7140 7146 7162 7181 7202 7204 7212 7237 7238 7244 7253 7272 7280 7284 7302 7338 7345 7346 7359 7376 7382

HD	177830 180314 181068

Gliese	Gliese 758 GJ 4063

Other	GSC 02634-01087 GSC 02652-01324 Kepler-7 Kepler-8 Kepler-9 Kepler-12 Kepler-14 Kepler-19 Kepler-20 Kepler-24 Kepler-25 Kepler-26 Kepler-30 Kepler-33 Kepler-37 Kepler-38 Kepler-53 Kepler-55 Kepler-59 Kepler-60 Kepler-62 Kepler-65 Kepler-80 Kepler-88 Kepler-102 2MASS 1835+3259 WASP-3 WASP-58 WISE 1828+2650

List

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