Planet WISEA J1534-1043

Detailed information about planet WISEA J1534-1043 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

WISEA J1534-1043

Planet Status

Confirmed

Discovered in

2020

Publication Status

Published in a refereed paper

Update

2025-07-08

Mass

24.0 (\begin{matrix} + 6.0 \\ - 5.0 \end{matrix})

M_J 1 publication

JWST Detects Silane in a Cold Low-Metallicity World

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.79 (\begin{matrix} + 0.07 \\ - 0.06 \end{matrix})

R_J 1 publication

JWST Detects Silane in a Cold Low-Metallicity World

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

Flux

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

502.0 (\pm 6.0)

K 2 publications

JWST Detects Silane in a Cold Low-Metallicity World
Expanding the Y Dwarf Census with Spitzer Follow-up of the Coldest CatWISE Solar Neighborhood Discoveries

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

WISEA J153429.75-104303.3, CWISE J153429.19-104318.9

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Reference
CH4
CH4	Measurements	Detected	2024 - FAHERTY J.
H2O
H2O	Measurements	Detected	2024 - FAHERTY J.
SiH4
SiH4	Measurements	Detected	2024 - FAHERTY J.

Kirkpatrick et al. (2021): Putative spectral type sdY1, [Fe/H] > -2.0.

No link

System without star

Distance

16.3 (\begin{matrix} + 1.4 \\ - 1.2 \end{matrix})

RA₂₀₀₀

15:34:30.8

Dec₂₀₀₀

-10:42:37.5

Planet WISEA J1534-1043

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 3 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Planet WISEA J1534-1043

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 3 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Related publications

New Cold Subdwarf Discoveries from Backyard Worlds and a Metallicity Classification System for T Subdwarfs

JWST Detects Silane in a Cold Low-Metallicity World

The Enigmatic Brown Dwarf WISEA J153429. 75-104303.3 (aka “The Accident”)

Expanding the Y Dwarf Census with Spitzer Follow-up of the Coldest CatWISE Solar Neighborhood Discoveries