Planet JW 801 b

Detailed information about planet JW 801 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

JW 801 b

Planet Status

Confirmed

Discovered in

2020

Publication Status

Published in a refereed paper

Update

2025-09-01

Mass

25.27 (\pm 0.124)

M_J 1 publication

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. III. The Population of Substellar Binary Companions

Mass*sin(i)

—

Semi-Major Axis

666.2 AU 1 publication

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. III. The Population of Substellar Binary Companions

Orbital Period

—

Eccentricity

—

Angular distance

1.59

arcsec

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

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

2MASS J05352657-0517530 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Strampelli et al. (2020) provide a separation of 1.59 arcseconds. Assuming a distance of 419 pc for the host star, this translates in a separation of about 642 AUs.

No link

Star

Name

JW 801

Distance

418.6 pc

Spectral type

M3

Apparent magnitude V

20.7

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.25 M_Sun 2 publications

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects
The Initial Mass Function of the Orion Nebula Cluster across the H-burning Limit

Age

0.001 Gyr 1 publication

The Initial Mass Function of the Orion Nebula Cluster across the H-burning Limit

Effective temperature

3239.0 K 2 publications

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects
The Initial Mass Function of the Orion Nebula Cluster across the H-burning Limit

Radius

1.9 R_Sun

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

05:35:26.6

Dec₂₀₀₀

-05:17:53.1

Alternate Names

2MASS J05352657-0517530

Member of Orion Nebula. Located 363 arcseconds away from tet1 Ori C, likely as optical, not physical companion.

No link

Simbad
Most recent references (ADS)

Planet JW 801 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet JW 801 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. III. The Population of Substellar Binary Companions

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects

The Initial Mass Function of the Orion Nebula Cluster across the H-burning Limit