Planet TOI-1338 (AB)b

Detailed information about planet TOI-1338 (AB)b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

TOI-1338 (AB)b

Planet Status

Confirmed

Discovered in

2020

Update

2024-08-12

Mass

0.069 (\begin{matrix} + 0.0 \\ - 0.069 \end{matrix})

M_J 1 publication

TOI-1338: TESS' First Transiting Circumbinary Planet

Mass*sin(i)

0.0686 (\begin{matrix} + 0.0028 \\ - 0.066 \end{matrix})

M_J 1 publication

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system

Semi-Major Axis

0.4607 (\pm 0.0088)

AU 2 publications

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system
TOI-1338: TESS' First Transiting Circumbinary Planet

Orbital Period

95.174 (\pm 0.0035)

day 2 publications

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system
TOI-1338: TESS' First Transiting Circumbinary Planet

Eccentricity

0.088 (\pm 0.0043)

2 publications

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system
TOI-1338: TESS' First Transiting Circumbinary Planet

ω

263.0 (\begin{matrix} + 3.7 \\ - 4.8 \end{matrix})

deg 1 publication

TOI-1338: TESS' First Transiting Circumbinary Planet

T_peri

—

Radius

0.5986 (\pm 0.0303)

R_J 1 publication

TOI-1338: TESS' First Transiting Circumbinary Planet

Inclination

89.22 (\begin{matrix} + 0.35 \\ - 0.26 \end{matrix})

deg 1 publication

TOI-1338: TESS' First Transiting Circumbinary Planet

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

2.4 (\begin{matrix} + 0.1 \\ - 2.3 \end{matrix})

m/s 1 publication

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system

Calculated temperature

724.0 K

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

BEBOP-1 b, EBLM J0608-59 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

TOI-1338

Distance

399.0 pc

Spectral type

—

Apparent magnitude V

11.5

Mass

—

Age

—

Effective temperature

5723.0 (\pm 110.0)

Radius

3.1 (\pm 0.38)

R_Sun

Metallicity [Fe/H]

-0.4 (\pm 0.1)

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

06:08:32.0

Dec₂₀₀₀

-59:32:28.0

Alternate Names

EBLM J0608-69, BEBOP-1

Provisionnal coordinates

07 Jan 2020: The star is an eclipsing binary with an orbital period of 15 days. Standing et al., 2023: : period = 14.6085579(57) d, e=0.155522(29), a=0.1321(25) au, Kostov et al., 2020: M1=1.127(69) Msol, R1=1.345(46) Rsol, Teff = 6050(80)K

No link

Simbad

Most recent references (ADS)

Related publications

The EBLM project -- XIII. The absolute dynamical masses of the circumbinary planet host TOI-1338/BEBOP-1

2024 SEBASTIAN D., TRIAUD A., BROGI M., BAYCROFT T., STANDING M. et al.
MNRAS , 530 , 2572
paper arxiv

Secular evolution of circumbinary 2-planet systems with isotropically varying masses

2024 MINGLIBAYEV M., PROKOPENYA A. & KOSHERBAYEVA A.
530 , 2156
paper

Constraining the formation history of the TOI-1338/BEBOP-1 circumbinary planetary system

2024 COLEMAN G., NELSON R., TRIAUD A. & STANDING M.
MNRAS , 527 , 414
paper arxiv

Fundamental effective temperature measurements for eclipsing binary stars -- V. The circumbinary planet system EBLM J0608-59

2024 MAXTED P., MILLER N., SEBASTIAN D., TRIAUD A., MARTIN D. & DUCK A.
MNRAS , 531 , 4577
paper arxiv

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system

2023 STANDING M., SAIRAM L., MARTIN D., TRIAUD A., CORREIA A. et al.
Nature Astronomy , 7 , 702
paper arxiv

Secular Dynamics of a Number of Planets from the TESS Catalog Detected in Binary Star Systems

2023 MEL'NIKOV A. & KOPYLOVA Y.
Astron. Lett. , 49 , 191
paper

Orbits of the TOI-1338 and TIC-172900988 systems

2023 GAKIS D. & GOURGOULIATOS K.
MNRAS , 519 , 3832
paper arxiv

Dynamics and habitability of the TESS circumbinary systems TOI-1338 and TIC-172900988

2021 GEORGAKARAKOS N.
MNRAS , 511 , 4396
paper arxiv

TOI-1338: TESS' First Transiting Circumbinary Planet

2020 KOSTOV V., OROSZ J., FEINSTEIN A., WELSH W., CUKIER W. et al.
Astron. J. , 159 , 253
paper arxiv

Effects of Flux Variation on the Surface Temperatures of Earth-analog Circumbinary Planets

2020 YADAVELLI S., QUARLES B., LI G. & HAGHIGHIPOUR N.
MNRAS , 499 , 1506
paper

Circumbinary Planets -- The Next Steps

2020 MARTIN D.
Universe of Binaries, Binaries in the Universe , Telc, Czech Rep
arxiv