Planet 2M1510 Ab

Detailed information about planet 2M1510 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2M1510 Ab

Planet Status

Confirmed

Discovered in

2020

Update

2024-06-26

Mass

37.5 (\begin{matrix} + 2.9 \\ - 2.8 \end{matrix})

M_J 1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

Mass*sin(i)

—

Semi-Major Axis

0.0627 (\pm 0.0014)

AU 1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

Orbital Period

20.902 (\pm 0.006)

day 1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

Eccentricity

0.309 (\pm 0.022)

1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

ω

-89.9 (\pm 3.3)

deg

T_peri

—

Radius

1.57 (\begin{matrix} + 1.57 \\ - 1.56 \end{matrix})

R_J 1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

Inclination

88.5 (\pm 0.1)

deg 1 publication

An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J15104786-2818174 Ab

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Triaud et al (2020) : the brown dwarf 2M1510 A (spectroscopic binary composed of 2M1510 Aa and 2M1510 Ab) has a visual companion, 2M1510 B (2MASS J15104761-2818234) at a 6.8 arsec separation, corresponding to 250 au. They belongs to the 45±5 Myr Argus moving group. 2M1510Aa and Ab have a rotation period of 20-30 hours. Spectral type: M8 (red optical), M9γ (near-infrared).

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