Planet Kelu-1 b

Detailed information about planet Kelu-1 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kelu-1 b

Mass

35.0

M_J 2 publications

WISE 2150-7520AB: A Very Low-mass, Wide Comoving Brown Dwarf System Discovered through the Citizen Science Project Backyard Worlds: Planet 9
Kelu-1 AB - A possible brown dwarf triple system

Mass*sin(i)

—

Semi-Major Axis

6.4 (\begin{matrix} + 2.4 \\ - 1.3 \end{matrix})

AU 1 publication

Kelu-1 AB - A possible brown dwarf triple system

Orbital Period

13870.0 (\begin{matrix} + 2920.0 \\ - 2190.0 \end{matrix})

day

Eccentricity

0.82 (\pm 0.1)

1 publication

Kelu-1 AB - A possible brown dwarf triple system

ω

57.8 (\begin{matrix} + 15.0 \\ - 20.0 \end{matrix})

deg 2 publications

Kelu-1 AB - A possible brown dwarf triple system
Kelu-1 AB - A possible brown dwarf triple system

T_peri

2452079.0 (\begin{matrix} + 200.0 \\ - 400.0 \end{matrix})

JD 1 publication

Kelu-1 AB - A possible brown dwarf triple system

Radius

—

Inclination

84.9 (\begin{matrix} + 1.0 \\ - 2.0 \end{matrix})

deg 1 publication

Kelu-1 AB - A possible brown dwarf triple system

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1840.0 K 1 publication

Kelu-1 is a Binary L Dwarf: First Brown Dwarf Science from Laser Guide Star Adaptive Optics

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type L3.5. Gelino et al. (2006) provide a higher mass estimate (55 ± 10 M_Jup) whereas Faherty et al. (2020) calculate a separation of 4.75 AUs (for m₂ = 35 M_Jup). A third component was hypothesized by Stumpf et al. (2008) but to date no confirmation.

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