Planet CWISEP J1446-2317

Detailed information about planet CWISEP J1446-2317 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

CWISEP J1446-2317

Planet Status

Confirmed

Discovered in

2019

Publication Status

—

Update

2025-09-09

Mass

5.0 (\begin{matrix} + 3.0 \\ - 2.0 \end{matrix})

M_J 2 publications

Exploration of the Near-Infrared Colors of Cold Y Dwarfs from the Ground and Space
Improved infrared photometry and a preliminary parallax measurement for the extremely cold brown dwarf CWISEP J144606.62−231717.8

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

Angular distance

—

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

335.0 (\pm 25.0)

K 1 publication

Improved infrared photometry and a preliminary parallax measurement for the extremely cold brown dwarf CWISEP J144606.62−231717.8

Measured temperature

350.0 K 1 publication

Exploration of the Near-Infrared Colors of Cold Y Dwarfs from the Ground and Space

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

4.0 1 publication

Exploration of the Near-Infrared Colors of Cold Y Dwarfs from the Ground and Space

Alternate Names

CW1446, WISE J144606.62-231717.8, CWISEP J144606.62-231717.8

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Marocco et al., 2020 : The temperature is estimated from Spitzer color and parallax, the mass is estimated assuming an age of 05-13 Gy.

No link

System without star

Distance

10.1 (\begin{matrix} + 1.7 \\ - 1.3 \end{matrix})

RA₂₀₀₀

14:46:06.6

Dec₂₀₀₀

-23:17:17.8

Planet CWISEP J1446-2317

Planet

Basic informations 30 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 CWISEP J1446-2317

Planet

Basic informations 30 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

Exploration of the Near-Infrared Colors of Cold Y Dwarfs from the Ground and Space

Improved infrared photometry and a preliminary parallax measurement for the extremely cold brown dwarf CWISEP J144606.62−231717.8