Planet BY Dra (AB)b

Detailed information about planet BY Dra (AB)b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

BY Dra (AB)b

Mass

—

Mass*sin(i)

5.44

M_J 1 publication

New high-precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis

Semi-Major Axis

16.07 AU

Orbital Period

— 1 publication

New high-precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis

Eccentricity

—

ω

—

T_peri

—

Radius

—

Inclination

—

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

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Star

Name

BY Dra (AB)

Distance

16.5 (\pm 0.01)

pc 2 publications

A Preliminary Visual Orbit of BY Draconis
The Revised TESS Input Catalog and Candidate Target List

Spectral type

K4Ve+K7.5Ve

Apparent magnitude V

8.2

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.9 (\pm 0.025)

M_Sun 1 publication

A Preliminary Visual Orbit of BY Draconis

Age

2.6 (\pm 2.4)

Gyr 1 publication

New high-precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis

Effective temperature

4622.0 (\pm 112.2)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

0.746 (\pm 0.05)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

0.2 (\pm 0.05)

1 publication

The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

18:33:55.8

Dec₂₀₀₀

+51:43:08.9

Alternate Names

Gl 719, HD 234677, HIP 91009

Triple systemi including an eclipsing binary pair composed of similar components (P = 5.975 d, m₁ = 0.792 ± 0.026 M_Sol and m₂ = 0.6979 ± 0.023 M_Sol) tracing an eccentric orbit (e = 0.3) and an outer M dwarf companion (BY Dra C, spT M5) about 281 AUs away.

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