Planet Kepler-451 (AB)d

Detailed information about planet Kepler-451 (AB)d and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-451 (AB)d

Planet Status

Controversial

Discovered in

2022

Publication Status

—

Update

2026-06-26

Mass

—

Mass*sin(i)

1.76 (\pm 0.18)

M_J 2 publications

CWISE J014611.20-050850.0AB: The Widest Known Brown Dwarf Binary in the Field
Detection of two additional circumbinary planets around Kepler-451

Semi-Major Axis

0.2 (\pm 0.03)

AU 2 publications

CWISE J014611.20-050850.0AB: The Widest Known Brown Dwarf Binary in the Field
Detection of two additional circumbinary planets around Kepler-451

Orbital Period

43.0 (\pm 0.1)

day 2 publications

CWISE J014611.20-050850.0AB: The Widest Known Brown Dwarf Binary in the Field
Detection of two additional circumbinary planets around Kepler-451

Eccentricity

0.0 2 publications

CWISE J014611.20-050850.0AB: The Widest Known Brown Dwarf Binary in the Field
Detection of two additional circumbinary planets around Kepler-451

Angular distance

—

ω

—

T_peri

— 1 publication

Detection of two additional circumbinary planets around Kepler-451

Radius

—

Inclination

—

Detection Method

Timing

Mass Meas. Method

Timing

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

Kepler-451 (AB)

Distance

409.66 (\begin{matrix} + 5.37 \\ - 5.23 \end{matrix})

Spectral type

sdB+M

Apparent magnitude V

12.7

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.6 (\pm 0.03)

M_Sun 2 publications

Detection of a planet in the sdB + M dwarf binary system 2M1938+4603
2M1938+4603: a rich, multimode pulsating sdB star with an eclipsing dM companion observed with Kepler

Age

—

Effective temperature

29564.0 (\pm 106.0)

K 1 publication

2M1938+4603: a rich, multimode pulsating sdB star with an eclipsing dM companion observed with Kepler

Radius

0.203 (\pm 0.001)

R_Sun 1 publication

Detection of two additional circumbinary planets around Kepler-451

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:38:33.0

Dec₂₀₀₀

+46:03:59.0

Alternate Names

KIC 9472174, 2MASS J19383260+4603591

The star is a sdB+M eclipsing binary with individual component masses 0.48 and 0.12 M_Sol. The binary period is 0.125765282 ± 0.0000000005 d, average separation 0.00382 AUs, inclination 69.45±0.20° (Barlow et al. 2012, Baran et al. 2015, Esmer et al. 2022).

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