Planet K2-27 Bb

Detailed information about planet K2-27 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-27 Bb

Planet Status

Confirmed

Discovered in

2016

Update

2024-08-01

Mass

0.09722 (\begin{matrix} + 0.01447 \\ - 0.01447 \end{matrix})

M_J 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Mass*sin(i)

— 1 publication

The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2

Semi-Major Axis

0.06702 (\pm 0.00071)

AU 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Orbital Period

6.771315 (\begin{matrix} + 8.5e-05 \\ - 8.5e-05 \end{matrix})

day 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Eccentricity

0.251 (\begin{matrix} + 0.088 \\ - 0.088 \end{matrix})

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

ω

—

T_peri

—

Radius

0.4 (\begin{matrix} + 0.021 \\ - 0.021 \end{matrix})

R_J 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Inclination

88.4 deg 1 publication

The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2456812.8451 (\pm 0.001)

JD 1 publication

The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2

Secondary transit

—

λ

—

Impact Parameter b

0.3 (\pm 0.21)

The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2

Time V_r=0

—

Velocity Semiamplitude K

11.8 (\pm 1.8)

m/s 2 publications

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes
The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2

Calculated temperature

902.0 (\begin{matrix} + 28.0 \\ - 28.0 \end{matrix})

K 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

EPIC 201546283 b, 2MASS J11260363+0113505 b, EPIC 201546283.01, WISE J112603.64+011350.2 b, K2-27 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

K2-27 B

Distance

249.645 (\begin{matrix} + 2.489 \\ - 2.441 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G8V

Apparent magnitude V

12.64

Mass

0.89 (\begin{matrix} + 0.1114 \\ - 0.1078 \end{matrix})

M_Sun

Age

10.3 (\begin{matrix} + 3.3 \\ - 5.2 \end{matrix})

Gyr 1 publication

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Effective temperature

5231.0 (\begin{matrix} + 166.072 \\ - 108.443 \end{matrix})

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

0.8925 (\begin{matrix} + 0.0452 \\ - 0.0696 \end{matrix})

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

0.13 (\pm 0.1)

The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

11:26:03.6

Dec₂₀₀₀

+01:13:50.7

Alternate Names

EPIC 201546283, 2MASS J11260363+0113505, WISE J112603.64+011350.2, TIC 363548415

K2-27 B is the secondary component of a triple system with an early G type primary (K2-27 A, T = 5859 K, m = 1.06 MSol) 8,147 AUs away and an M dwarf tertiary 748 AUs away (Mugrauer 2019).

No link

Simbad
Most recent references (ADS)