Planet GJ 22 Bb

Detailed information about planet GJ 22 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

GJ 22 Bb

Mass

15.4 (\pm 2.8)

M_J 1 publication

A methodology for studying physical and dynamical properties of multiple stars. Application to the system of red dwarfs Gl 22

Mass*sin(i)

— 1 publication

On the dynamical stability of the very low-mass object Gliese 22 Bb

Semi-Major Axis

3.41 (\pm 0.1)

AU 1 publication

On the dynamical stability of the very low-mass object Gliese 22 Bb

Orbital Period

5475.0 (\pm 182.5)

day 1 publication

A methodology for studying physical and dynamical properties of multiple stars. Application to the system of red dwarfs Gl 22

Eccentricity

0.08 (\pm 0.05)

2 publications

On the dynamical stability of the very low-mass object Gliese 22 Bb
A methodology for studying physical and dynamical properties of multiple stars. Application to the system of red dwarfs Gl 22

ω

347.0 (\pm 5.0)

deg 1 publication

On the dynamical stability of the very low-mass object Gliese 22 Bb

T_peri

—

Radius

—

Inclination

47.0 (\pm 5.0)

deg 1 publication

On the dynamical stability of the very low-mass object Gliese 22 Bb

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

GJ 22 B

Distance

9.85629 (\pm 0.046325)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

M3V

Apparent magnitude V

12.19

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.177 M_Sun 1 publication

On the dynamical stability of the very low-mass object Gliese 22 Bb

Age

—

Effective temperature

3598.0 K 1 publication

Radial Velocity Photon Limits for the Dwarf Stars of Spectral Classes F-M

Radius

0.2 R_Sun

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

00:32:27.0

Dec₂₀₀₀

+67:14:09.0

Alternate Names

BD+66 34 B, VYS 2 B

GJ 22 B is the secondary component of a widely separated (a = 32.6 AUs) binary system with P = 223.3 y. The primary component GJ 22 A (*V547 Cas, spT M3V) is itself binary (a = 5.01 AUs, P = 15.64 y) with a low-mass M dwarf companion (m_Ab = 0.138 M_Sol).

No link