Planet HIP 38939 b

Detailed information about planet HIP 38939 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HIP 38939 b

Planet Status

Confirmed

Discovered in

2012

Publication Status

—

Update

2024-11-03

Mass

38.0 (\pm 20.0)

M_J 1 publication

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1

Mass*sin(i)

—

Semi-Major Axis

1630.0 AU 1 publication

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1

Orbital Period

—

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Imaging

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1100.0 K 1 publication

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

5.0 1 publication

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1

Alternate Names

HD 65486 b, DEA 35 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type T4.5.

No link

Star

Name

HIP 38939

Distance

18.474 (\pm 0.01325)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

K4Vk

Apparent magnitude V

8.44

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.74 (\pm 0.09)

M_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Age

0.9 (\begin{matrix} + 1.9 \\ - 0.6 \end{matrix})

Gyr 1 publication

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1

Effective temperature

4666.16 (\pm 148.48)

K 2 publications

The Revised TESS Input Catalog and Candidate Target List
The Revised TESS Input Catalog and Candidate Target List

Radius

0.654 (\pm 0.0576)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.33 (\pm 0.07)

1 publication

The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

07:58:04.4

Dec₂₀₀₀

-25:37:35.9

Alternate Names

2MASS J07580434-2537356, HD 65486, DEA 35

No remarks

No link

Simbad
Most recent references (ADS)

Planet HIP 38939 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 No remark

Other web pages No page

More data 2 references

Planet HIP 38939 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 No remark

Other web pages No page

More data 2 references

Related publications

Metal-poor Brown Dwarf Kinematics from JWST NIRSpec Spectroscopy

The Revised TESS Input Catalog and Candidate Target List

HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1