Planet K2-148 Ab

Detailed information about planet K2-148 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-148 Ab

Planet Status

Confirmed

Discovered in

2018

Update

2024-06-11

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.0454 (\pm 0.0014)

AU 1 publication

Exoplanets around Low-mass Stars Unveiled by K2

Orbital Period

4.38395 (\pm 0.0008)

day 1 publication

Exoplanets around Low-mass Stars Unveiled by K2

Eccentricity

—

ω

—

T_peri

—

Radius

0.119 (\begin{matrix} + 0.017 \\ - 0.016 \end{matrix})

R_J 1 publication

Exoplanets around Low-mass Stars Unveiled by K2

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

2457390.05956 JD 1 publication

Exoplanets around Low-mass Stars Unveiled by K2

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

2MASS J00580427-0011353 b, EPIC 220194974 A b, EPIC 220194974 b, EPIC 220194974.03, K2-148 A b, WISE J005804.24-001135.6 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

K2-148 A

Distance

124.458 (\begin{matrix} + 0.626 \\ - 0.619 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

M0V

Apparent magnitude V

13.627

Mass

0.639 (\begin{matrix} + 0.0746 \\ - 0.09 \end{matrix})

M_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Age

—

Effective temperature

4081.0 (\begin{matrix} + 148.7 \\ - 104.955 \end{matrix})

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

0.6739 (\begin{matrix} + 0.0459 \\ - 0.0898 \end{matrix})

R_Sun 2 publications

The Revised TESS Input Catalog and Candidate Target List
The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.11 (\pm 0.12)

1 publication

Exoplanets around Low-mass Stars Unveiled by K2

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

00:58:04.3

Dec₂₀₀₀

-00:11:35.4

Alternate Names

EPIC 220194974, WISE J005804.24-001135.6, TIC 423358488, EPIC 220194974 A, 2MASS J00580427-0011353

Hirano et al. (2017) : EPIC 220194974 belongs to a wide binary with an M dwarf companion star. The separation of 9.4" between this star and EPIC 220194953 translates to the projected distance of ∼1100 AUs. Michel & Mugrauer (2024) confirm a separation of 1163 AUs.

No link