Planet 2M1510A a

Detailed information about planet 2M1510A a and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2M1510A a

Planet Status

Confirmed

Discovered in

2020

Mass

40.0 M_J 1 publication

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

Mass*sin(i)

—

Semi-Major Axis

0.063 AU 1 publication

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

Orbital Period

20.902 day 1 publication

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

Eccentricity

0.31 (± 0.02) 1 publication

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

ω

—

T_peri

—

Radius

1.57 R_J 1 publication

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

Inclination

88.5 deg 1 publication

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

Update

2020-03-24

Detection Method

Primary Transit

Mass Detection Method

Radial Velocity

Radius Detection 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

2MASSW J1510478-281817 a

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 2M1510A (spectroscopic binary composed of 2M1510A a and 2M1510A b) has a visual companion, 2M1510B (2MASS J15104761-2818234) at a 6.8 arsec separation, corresponding to 250 au. They belongs to the 45±5 Myr Argus moving group. 2M1510A a and 2M1510A b have a rotation period of 20-30 hours.

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