Planet DENIS 19 b

Detailed information about planet DENIS 19 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

DENIS 19 b

Planet Status

Confirmed

Discovered in

1999

Update

2024-07-01

Mass

50.0

M_J 1 publication

A search for companions to nearby brown dwarfs: the binary DENIS-P J1228.2-1547

Mass*sin(i)

—

Semi-Major Axis

6.36 (\begin{matrix} + 0.29 \\ - 0.35 \end{matrix})

AU 1 publication

Individual Dynamical Masses of Ultracool Dwarfs

Orbital Period

18250.0 (\begin{matrix} + 1825.0 \\ - 2555.0 \end{matrix})

day 1 publication

Individual Dynamical Masses of Ultracool Dwarfs

Eccentricity

0.089 (\begin{matrix} + 0.027 \\ - 0.035 \end{matrix})

1 publication

Individual Dynamical Masses of Ultracool Dwarfs

ω

10.0 (\begin{matrix} + 50.0 \\ - 40.0 \end{matrix})

deg 1 publication

Individual Dynamical Masses of Ultracool Dwarfs

T_peri

—

Radius

—

Inclination

142.0 (\pm 4.0)

deg 1 publication

Individual Dynamical Masses of Ultracool Dwarfs

Detection Method

Imaging, Astrometry

Mass Meas. Method

Astrometry

Radius Meas. Method

—

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

DENIS J1228.2-1547 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Dupuy & Liu (2017): Total mass of DENIS J1228-1557AB system (spT L5+L5) is estimated 106_-19⁺¹⁶ M_Jup, which for nearly equal mass components implies individual masses about 53 M_Jup, hence confirming early claim by Martin et al. (1999).

No link

System without star

Distance

20.9 (\pm 0.7)

RA₂₀₀₀

12:28:15.2

Dec₂₀₀₀

-15:47:34.2

Planet DENIS 19 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Planet DENIS 19 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Related publications

WISE 2150-7520AB: A Very Low-mass, Wide Comoving Brown Dwarf System Discovered through the Citizen Science Project Backyard Worlds: Planet 9

Individual Dynamical Masses of Ultracool Dwarfs

Astrometric monitoring of the binary brown dwarf DENIS-P J1228.2-1547

A search for companions to nearby brown dwarfs: the binary DENIS-P J1228.2-1547