Planet TOI-1227 Bb

Detailed information about planet TOI-1227 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

TOI-1227 Bb

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.0886 (\pm 0.0057)

AU 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Orbital Period

27.36397 (\pm 0.00011)

day 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Eccentricity

—

ω

—

T_peri

—

Radius

0.854 (\begin{matrix} + 0.057 \\ - 0.052 \end{matrix})

R_J 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Inclination

88.571 (\begin{matrix} + 0.062 \\ - 0.093 \end{matrix})

deg

Primary transit

2458617.4621 (\pm 0.0016)

JD 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Secondary transit

—

λ

—

Impact Parameter b

0.849 (\begin{matrix} + 0.024 \\ - 0.015 \end{matrix})

1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

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

TOI-1227 B

Distance

100.96 (\pm 0.2)

pc 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Spectral type

M4.5V

Apparent magnitude V

15.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.17 (\pm 0.015)

M_Sun 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Age

0.011 (\pm 0.002)

Gyr 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Effective temperature

3072.0 (\pm 74.0)

K 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Radius

0.56 (\pm 0.03)

R_Sun 1 publication

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:27:04.2

Dec₂₀₀₀

-72:27:06.7

Alternate Names

—

Secondary component of a widely separated (a_A-B = 51,675.47 AUs) binary system with a more massive (m_A = 0.44 M_Sol) primary (Matson et al. 2025).

No link

Simbad
Most recent references (ADS)

Planet TOI-1227 Bb

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet TOI-1227 Bb

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

The 10 pc Neighborhood of Habitable Zone Exoplanetary Systems: Threat Assessment from Stellar Encounters & Supernovae

The Age and High Energy Environment of the Very Young Transiting Exoplanet TOI 1227b

A homogeneous transit-timing-variation investigation of all TESS systems with a confirmed single-transiting planet

Evidence for transit-timing variations of the 11 Myr exoplanet TOI-1227 b

Demographics of M Dwarf Binary Exoplanet Hosts Discovered by TESS

TESS Hunt for Young and Maturing Exoplanets (THYME) VI: an 11 Myr giant planet transiting a very low-mass star in Lower Centaurus Crux