Planet 2MASS J1252+2735 b

Detailed information about planet 2MASS J1252+2735 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J1252+2735 b

Planet Status

Confirmed

Discovered in

2021

Publication Status

—

Update

2025-07-21

Mass

—

Mass*sin(i)

6.88 (\begin{matrix} + 0.21 \\ - 0.64 \end{matrix})

M_J 1 publication

Close substellar-mass companions in stellar wide binaries: discovery and characterization with APOGEE and Gaia DR2

Semi-Major Axis

—

Orbital Period

35.08 (\pm 0.12)

day 1 publication

Close substellar-mass companions in stellar wide binaries: discovery and characterization with APOGEE and Gaia DR2

Eccentricity

0.0 1 publication

Close substellar-mass companions in stellar wide binaries: discovery and characterization with APOGEE and Gaia DR2

Angular distance

—

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

502.0 (\begin{matrix} + 75.0 \\ - 104.0 \end{matrix})

m/s 1 publication

Close substellar-mass companions in stellar wide binaries: discovery and characterization with APOGEE and Gaia DR2

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12525132+2735131 b

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

2MASS J1252+2735

Distance

197.2 (\pm 4.0)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G8V

Apparent magnitude V

11.8

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.88 (\pm 0.108)

M_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Age

—

Effective temperature

5181.0 (\pm 128.0)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

1.076 (\pm 0.068)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.324 (\pm 0.0079)

1 publication

The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:52:51.0

Dec₂₀₀₀

+27:35:13.0

Alternate Names

NGP 28 123, TYC 1995-01627-1, 2MASS J12525132+2735131

Primary component of a widely separated (a = 138 arcseconds = 27,600 AUs at 200 pc) binary system with each star identified as candidate exoplanet host. Secondary star is 2MASS J12530085+2734189.
For this reason Lewis et al. (2022) regards the system ad “quadruple”.

No link